Home / 9,783.45-13,501.22-5,307.21

Finding the Fourth Proportional to 9,783.45, 13,501.22 and 5,307.21

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Solution

The fourth proportional to 9,783.45, 13,501.22 and 5,307.21 is: 7,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.45 : 13,501.22 = 5,307.21 : x
  2. Step 2: Convert to fraction form
    9,783.45/13,501.22 = 5,307.21/x
  3. Step 3: Cross multiply
    9,783.45x = 13,501.22 × 5,307.21
  4. Step 4: Simplify right side
    9,783.45x = 71,653,783.26
  5. Step 5: Solve for x
    x = 71,653,783.26/9,783.45
  6. Step 6: Final answer
    x = 7,323.98

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Half scale
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Double scale
Find fourth proportional to 9,784.45, 13,502.60 and 5,308.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.