Home / 9,703.30-13,389.45-5,453.50

Finding the Fourth Proportional to 9,703.30, 13,389.45 and 5,453.50

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Solution

The fourth proportional to 9,703.30, 13,389.45 and 5,453.50 is: 7,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,703.30 : 13,389.45 = 5,453.50 : x
  2. Step 2: Convert to fraction form
    9,703.30/13,389.45 = 5,453.50/x
  3. Step 3: Cross multiply
    9,703.30x = 13,389.45 × 5,453.50
  4. Step 4: Simplify right side
    9,703.30x = 73,019,365.58
  5. Step 5: Solve for x
    x = 73,019,365.58/9,703.30
  6. Step 6: Final answer
    x = 7,525.21

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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.