Home / 19,585.80-29,399.76-10,818.36

Finding the Fourth Proportional to 19,585.80, 29,399.76 and 10,818.36

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Solution

The fourth proportional to 19,585.80, 29,399.76 and 10,818.36 is: 16,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.80 : 29,399.76 = 10,818.36 : x
  2. Step 2: Convert to fraction form
    19,585.80/29,399.76 = 10,818.36/x
  3. Step 3: Cross multiply
    19,585.80x = 29,399.76 × 10,818.36
  4. Step 4: Simplify right side
    19,585.80x = 318,057,187.59
  5. Step 5: Solve for x
    x = 318,057,187.59/19,585.80
  6. Step 6: Final answer
    x = 16,239.17

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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.