Home / 10,647.52-15,888.01-9,540.62

Finding the Fourth Proportional to 10,647.52, 15,888.01 and 9,540.62

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Solution

The fourth proportional to 10,647.52, 15,888.01 and 9,540.62 is: 14,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.52 : 15,888.01 = 9,540.62 : x
  2. Step 2: Convert to fraction form
    10,647.52/15,888.01 = 9,540.62/x
  3. Step 3: Cross multiply
    10,647.52x = 15,888.01 × 9,540.62
  4. Step 4: Simplify right side
    10,647.52x = 151,581,418.26
  5. Step 5: Solve for x
    x = 151,581,418.26/10,647.52
  6. Step 6: Final answer
    x = 14,236.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.