Home / 9,718.45-13,411.55-5,526.70

Finding the Fourth Proportional to 9,718.45, 13,411.55 and 5,526.70

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Solution

The fourth proportional to 9,718.45, 13,411.55 and 5,526.70 is: 7,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.45 : 13,411.55 = 5,526.70 : x
  2. Step 2: Convert to fraction form
    9,718.45/13,411.55 = 5,526.70/x
  3. Step 3: Cross multiply
    9,718.45x = 13,411.55 × 5,526.70
  4. Step 4: Simplify right side
    9,718.45x = 74,121,593.67
  5. Step 5: Solve for x
    x = 74,121,593.67/9,718.45
  6. Step 6: Final answer
    x = 7,626.90

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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.