Home / 21,445.38-29,596.08-12,013.98

Finding the Fourth Proportional to 21,445.38, 29,596.08 and 12,013.98

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Solution

The fourth proportional to 21,445.38, 29,596.08 and 12,013.98 is: 16,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.38 : 29,596.08 = 12,013.98 : x
  2. Step 2: Convert to fraction form
    21,445.38/29,596.08 = 12,013.98/x
  3. Step 3: Cross multiply
    21,445.38x = 29,596.08 × 12,013.98
  4. Step 4: Simplify right side
    21,445.38x = 355,566,713.20
  5. Step 5: Solve for x
    x = 355,566,713.20/21,445.38
  6. Step 6: Final answer
    x = 16,580.11

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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.