Home / 19,345.34-29,020.10-8,253.20

Finding the Fourth Proportional to 19,345.34, 29,020.10 and 8,253.20

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Solution

The fourth proportional to 19,345.34, 29,020.10 and 8,253.20 is: 12,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.34 : 29,020.10 = 8,253.20 : x
  2. Step 2: Convert to fraction form
    19,345.34/29,020.10 = 8,253.20/x
  3. Step 3: Cross multiply
    19,345.34x = 29,020.10 × 8,253.20
  4. Step 4: Simplify right side
    19,345.34x = 239,508,689.32
  5. Step 5: Solve for x
    x = 239,508,689.32/19,345.34
  6. Step 6: Final answer
    x = 12,380.69

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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.