Home / 19,354.07-29,031.15-5,314.29

Finding the Fourth Proportional to 19,354.07, 29,031.15 and 5,314.29

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Solution

The fourth proportional to 19,354.07, 29,031.15 and 5,314.29 is: 7,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.07 : 29,031.15 = 5,314.29 : x
  2. Step 2: Convert to fraction form
    19,354.07/29,031.15 = 5,314.29/x
  3. Step 3: Cross multiply
    19,354.07x = 29,031.15 × 5,314.29
  4. Step 4: Simplify right side
    19,354.07x = 154,279,923.56
  5. Step 5: Solve for x
    x = 154,279,923.56/19,354.07
  6. Step 6: Final answer
    x = 7,971.45

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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.