Home / 19,498.15-29,250.28-8,407.99

Finding the Fourth Proportional to 19,498.15, 29,250.28 and 8,407.99

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Solution

The fourth proportional to 19,498.15, 29,250.28 and 8,407.99 is: 12,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.15 : 29,250.28 = 8,407.99 : x
  2. Step 2: Convert to fraction form
    19,498.15/29,250.28 = 8,407.99/x
  3. Step 3: Cross multiply
    19,498.15x = 29,250.28 × 8,407.99
  4. Step 4: Simplify right side
    19,498.15x = 245,935,999.12
  5. Step 5: Solve for x
    x = 245,935,999.12/19,498.15
  6. Step 6: Final answer
    x = 12,613.30

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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.