Home / 21,442.28-29,590.65-12,010.91

Finding the Fourth Proportional to 21,442.28, 29,590.65 and 12,010.91

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Solution

The fourth proportional to 21,442.28, 29,590.65 and 12,010.91 is: 16,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.28 : 29,590.65 = 12,010.91 : x
  2. Step 2: Convert to fraction form
    21,442.28/29,590.65 = 12,010.91/x
  3. Step 3: Cross multiply
    21,442.28x = 29,590.65 × 12,010.91
  4. Step 4: Simplify right side
    21,442.28x = 355,410,486.04
  5. Step 5: Solve for x
    x = 355,410,486.04/21,442.28
  6. Step 6: Final answer
    x = 16,575.22

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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.