Home / 9,937.35-13,718.87-7,663.71

Finding the Fourth Proportional to 9,937.35, 13,718.87 and 7,663.71

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Solution

The fourth proportional to 9,937.35, 13,718.87 and 7,663.71 is: 10,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.35 : 13,718.87 = 7,663.71 : x
  2. Step 2: Convert to fraction form
    9,937.35/13,718.87 = 7,663.71/x
  3. Step 3: Cross multiply
    9,937.35x = 13,718.87 × 7,663.71
  4. Step 4: Simplify right side
    9,937.35x = 105,137,441.21
  5. Step 5: Solve for x
    x = 105,137,441.21/9,937.35
  6. Step 6: Final answer
    x = 10,580.03

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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.