Home / 19,585.20-29,399.40-10,837.20

Finding the Fourth Proportional to 19,585.20, 29,399.40 and 10,837.20

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Solution

The fourth proportional to 19,585.20, 29,399.40 and 10,837.20 is: 16,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.20 : 29,399.40 = 10,837.20 : x
  2. Step 2: Convert to fraction form
    19,585.20/29,399.40 = 10,837.20/x
  3. Step 3: Cross multiply
    19,585.20x = 29,399.40 × 10,837.20
  4. Step 4: Simplify right side
    19,585.20x = 318,607,177.68
  5. Step 5: Solve for x
    x = 318,607,177.68/19,585.20
  6. Step 6: Final answer
    x = 16,267.75

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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.