Home / 14,165.50-21,330.91-10,493.77

Finding the Fourth Proportional to 14,165.50, 21,330.91 and 10,493.77

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Solution

The fourth proportional to 14,165.50, 21,330.91 and 10,493.77 is: 15,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.50 : 21,330.91 = 10,493.77 : x
  2. Step 2: Convert to fraction form
    14,165.50/21,330.91 = 10,493.77/x
  3. Step 3: Cross multiply
    14,165.50x = 21,330.91 × 10,493.77
  4. Step 4: Simplify right side
    14,165.50x = 223,841,663.43
  5. Step 5: Solve for x
    x = 223,841,663.43/14,165.50
  6. Step 6: Final answer
    x = 15,801.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.