Home / 9,557.38-13,188.99-5,365.63

Finding the Fourth Proportional to 9,557.38, 13,188.99 and 5,365.63

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Solution

The fourth proportional to 9,557.38, 13,188.99 and 5,365.63 is: 7,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.38 : 13,188.99 = 5,365.63 : x
  2. Step 2: Convert to fraction form
    9,557.38/13,188.99 = 5,365.63/x
  3. Step 3: Cross multiply
    9,557.38x = 13,188.99 × 5,365.63
  4. Step 4: Simplify right side
    9,557.38x = 70,767,240.41
  5. Step 5: Solve for x
    x = 70,767,240.41/9,557.38
  6. Step 6: Final answer
    x = 7,404.46

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Half scale
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Double scale
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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.