Home / 12,747.52-17,592.40-7,442.08

Finding the Fourth Proportional to 12,747.52, 17,592.40 and 7,442.08

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Solution

The fourth proportional to 12,747.52, 17,592.40 and 7,442.08 is: 10,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.52 : 17,592.40 = 7,442.08 : x
  2. Step 2: Convert to fraction form
    12,747.52/17,592.40 = 7,442.08/x
  3. Step 3: Cross multiply
    12,747.52x = 17,592.40 × 7,442.08
  4. Step 4: Simplify right side
    12,747.52x = 130,924,048.19
  5. Step 5: Solve for x
    x = 130,924,048.19/12,747.52
  6. Step 6: Final answer
    x = 10,270.55

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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.