Home / 15,437.28-21,290.16-12,452

Finding the Fourth Proportional to 15,437.28, 21,290.16 and 12,452

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Solution

The fourth proportional to 15,437.28, 21,290.16 and 12,452 is: 17,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.28 : 21,290.16 = 12,452 : x
  2. Step 2: Convert to fraction form
    15,437.28/21,290.16 = 12,452/x
  3. Step 3: Cross multiply
    15,437.28x = 21,290.16 × 12,452
  4. Step 4: Simplify right side
    15,437.28x = 265,105,072.32
  5. Step 5: Solve for x
    x = 265,105,072.32/15,437.28
  6. Step 6: Final answer
    x = 17,173.04

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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.