Home / 20,854.08-31,235.52-13,024.56

Finding the Fourth Proportional to 20,854.08, 31,235.52 and 13,024.56

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Solution

The fourth proportional to 20,854.08, 31,235.52 and 13,024.56 is: 19,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854.08 : 31,235.52 = 13,024.56 : x
  2. Step 2: Convert to fraction form
    20,854.08/31,235.52 = 13,024.56/x
  3. Step 3: Cross multiply
    20,854.08x = 31,235.52 × 13,024.56
  4. Step 4: Simplify right side
    20,854.08x = 406,828,904.37
  5. Step 5: Solve for x
    x = 406,828,904.37/20,854.08
  6. Step 6: Final answer
    x = 19,508.36

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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.