Home / 14,299.92-21,407.32-12,798.16

Finding the Fourth Proportional to 14,299.92, 21,407.32 and 12,798.16

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Solution

The fourth proportional to 14,299.92, 21,407.32 and 12,798.16 is: 19,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.92 : 21,407.32 = 12,798.16 : x
  2. Step 2: Convert to fraction form
    14,299.92/21,407.32 = 12,798.16/x
  3. Step 3: Cross multiply
    14,299.92x = 21,407.32 × 12,798.16
  4. Step 4: Simplify right side
    14,299.92x = 273,974,306.53
  5. Step 5: Solve for x
    x = 273,974,306.53/14,299.92
  6. Step 6: Final answer
    x = 19,159.15

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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.