Home / 10,349.31-15,487.03-8,967.39

Finding the Fourth Proportional to 10,349.31, 15,487.03 and 8,967.39

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Solution

The fourth proportional to 10,349.31, 15,487.03 and 8,967.39 is: 13,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.31 : 15,487.03 = 8,967.39 : x
  2. Step 2: Convert to fraction form
    10,349.31/15,487.03 = 8,967.39/x
  3. Step 3: Cross multiply
    10,349.31x = 15,487.03 × 8,967.39
  4. Step 4: Simplify right side
    10,349.31x = 138,878,237.95
  5. Step 5: Solve for x
    x = 138,878,237.95/10,349.31
  6. Step 6: Final answer
    x = 13,419.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.