Home / 14,123.77-21,193.65-13,008.40

Finding the Fourth Proportional to 14,123.77, 21,193.65 and 13,008.40

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Solution

The fourth proportional to 14,123.77, 21,193.65 and 13,008.40 is: 19,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.77 : 21,193.65 = 13,008.40 : x
  2. Step 2: Convert to fraction form
    14,123.77/21,193.65 = 13,008.40/x
  3. Step 3: Cross multiply
    14,123.77x = 21,193.65 × 13,008.40
  4. Step 4: Simplify right side
    14,123.77x = 275,695,423.68
  5. Step 5: Solve for x
    x = 275,695,423.68/14,123.77
  6. Step 6: Final answer
    x = 19,519.96

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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.