Home / 15,248.24-21,042.90-10,779.86

Finding the Fourth Proportional to 15,248.24, 21,042.90 and 10,779.86

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Solution

The fourth proportional to 15,248.24, 21,042.90 and 10,779.86 is: 14,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.24 : 21,042.90 = 10,779.86 : x
  2. Step 2: Convert to fraction form
    15,248.24/21,042.90 = 10,779.86/x
  3. Step 3: Cross multiply
    15,248.24x = 21,042.90 × 10,779.86
  4. Step 4: Simplify right side
    15,248.24x = 226,839,515.99
  5. Step 5: Solve for x
    x = 226,839,515.99/15,248.24
  6. Step 6: Final answer
    x = 14,876.44

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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.