Home / 15,577.52-21,494.02-9,290.48

Finding the Fourth Proportional to 15,577.52, 21,494.02 and 9,290.48

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Solution

The fourth proportional to 15,577.52, 21,494.02 and 9,290.48 is: 12,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.52 : 21,494.02 = 9,290.48 : x
  2. Step 2: Convert to fraction form
    15,577.52/21,494.02 = 9,290.48/x
  3. Step 3: Cross multiply
    15,577.52x = 21,494.02 × 9,290.48
  4. Step 4: Simplify right side
    15,577.52x = 199,689,762.93
  5. Step 5: Solve for x
    x = 199,689,762.93/15,577.52
  6. Step 6: Final answer
    x = 12,819.10

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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.