Home / 19,354.57-29,031.90-5,314.79

Finding the Fourth Proportional to 19,354.57, 29,031.90 and 5,314.79

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Solution

The fourth proportional to 19,354.57, 29,031.90 and 5,314.79 is: 7,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.57 : 29,031.90 = 5,314.79 : x
  2. Step 2: Convert to fraction form
    19,354.57/29,031.90 = 5,314.79/x
  3. Step 3: Cross multiply
    19,354.57x = 29,031.90 × 5,314.79
  4. Step 4: Simplify right side
    19,354.57x = 154,298,425.23
  5. Step 5: Solve for x
    x = 154,298,425.23/19,354.57
  6. Step 6: Final answer
    x = 7,972.20

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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.