Home / 14,123.43-19,490.17-8,154.98

Finding the Fourth Proportional to 14,123.43, 19,490.17 and 8,154.98

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Solution

The fourth proportional to 14,123.43, 19,490.17 and 8,154.98 is: 11,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.43 : 19,490.17 = 8,154.98 : x
  2. Step 2: Convert to fraction form
    14,123.43/19,490.17 = 8,154.98/x
  3. Step 3: Cross multiply
    14,123.43x = 19,490.17 × 8,154.98
  4. Step 4: Simplify right side
    14,123.43x = 158,941,828.71
  5. Step 5: Solve for x
    x = 158,941,828.71/14,123.43
  6. Step 6: Final answer
    x = 11,253.77

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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.