Home / 9,939.04-13,715.91-5,463.18

Finding the Fourth Proportional to 9,939.04, 13,715.91 and 5,463.18

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Solution

The fourth proportional to 9,939.04, 13,715.91 and 5,463.18 is: 7,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.04 : 13,715.91 = 5,463.18 : x
  2. Step 2: Convert to fraction form
    9,939.04/13,715.91 = 5,463.18/x
  3. Step 3: Cross multiply
    9,939.04x = 13,715.91 × 5,463.18
  4. Step 4: Simplify right side
    9,939.04x = 74,932,485.19
  5. Step 5: Solve for x
    x = 74,932,485.19/9,939.04
  6. Step 6: Final answer
    x = 7,539.21

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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.