Home / 21,269.19-29,338.83-14,474.91

Finding the Fourth Proportional to 21,269.19, 29,338.83 and 14,474.91

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Solution

The fourth proportional to 21,269.19, 29,338.83 and 14,474.91 is: 19,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.19 : 29,338.83 = 14,474.91 : x
  2. Step 2: Convert to fraction form
    21,269.19/29,338.83 = 14,474.91/x
  3. Step 3: Cross multiply
    21,269.19x = 29,338.83 × 14,474.91
  4. Step 4: Simplify right side
    21,269.19x = 424,676,923.76
  5. Step 5: Solve for x
    x = 424,676,923.76/21,269.19
  6. Step 6: Final answer
    x = 19,966.77

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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.