Home / 18,332.88-25,292.52-10,779.60

Finding the Fourth Proportional to 18,332.88, 25,292.52 and 10,779.60

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Solution

The fourth proportional to 18,332.88, 25,292.52 and 10,779.60 is: 14,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.88 : 25,292.52 = 10,779.60 : x
  2. Step 2: Convert to fraction form
    18,332.88/25,292.52 = 10,779.60/x
  3. Step 3: Cross multiply
    18,332.88x = 25,292.52 × 10,779.60
  4. Step 4: Simplify right side
    18,332.88x = 272,643,248.59
  5. Step 5: Solve for x
    x = 272,643,248.59/18,332.88
  6. Step 6: Final answer
    x = 14,871.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.