Home / 14,489.32-21,718.30-7,098.76

Finding the Fourth Proportional to 14,489.32, 21,718.30 and 7,098.76

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Solution

The fourth proportional to 14,489.32, 21,718.30 and 7,098.76 is: 10,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.32 : 21,718.30 = 7,098.76 : x
  2. Step 2: Convert to fraction form
    14,489.32/21,718.30 = 7,098.76/x
  3. Step 3: Cross multiply
    14,489.32x = 21,718.30 × 7,098.76
  4. Step 4: Simplify right side
    14,489.32x = 154,172,999.31
  5. Step 5: Solve for x
    x = 154,172,999.31/14,489.32
  6. Step 6: Final answer
    x = 10,640.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.