Home / 10,680.98-14,718.93-7,691.17

Finding the Fourth Proportional to 10,680.98, 14,718.93 and 7,691.17

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Solution

The fourth proportional to 10,680.98, 14,718.93 and 7,691.17 is: 10,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.98 : 14,718.93 = 7,691.17 : x
  2. Step 2: Convert to fraction form
    10,680.98/14,718.93 = 7,691.17/x
  3. Step 3: Cross multiply
    10,680.98x = 14,718.93 × 7,691.17
  4. Step 4: Simplify right side
    10,680.98x = 113,205,798.07
  5. Step 5: Solve for x
    x = 113,205,798.07/10,680.98
  6. Step 6: Final answer
    x = 10,598.82

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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.