Home / 15,587.16-21,498.38-9,922.83

Finding the Fourth Proportional to 15,587.16, 21,498.38 and 9,922.83

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Solution

The fourth proportional to 15,587.16, 21,498.38 and 9,922.83 is: 13,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.16 : 21,498.38 = 9,922.83 : x
  2. Step 2: Convert to fraction form
    15,587.16/21,498.38 = 9,922.83/x
  3. Step 3: Cross multiply
    15,587.16x = 21,498.38 × 9,922.83
  4. Step 4: Simplify right side
    15,587.16x = 213,324,720.40
  5. Step 5: Solve for x
    x = 213,324,720.40/15,587.16
  6. Step 6: Final answer
    x = 13,685.93

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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.