Home / 18,139.79-25,033.56-10,590.95

Finding the Fourth Proportional to 18,139.79, 25,033.56 and 10,590.95

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Solution

The fourth proportional to 18,139.79, 25,033.56 and 10,590.95 is: 14,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.79 : 25,033.56 = 10,590.95 : x
  2. Step 2: Convert to fraction form
    18,139.79/25,033.56 = 10,590.95/x
  3. Step 3: Cross multiply
    18,139.79x = 25,033.56 × 10,590.95
  4. Step 4: Simplify right side
    18,139.79x = 265,129,205.15
  5. Step 5: Solve for x
    x = 265,129,205.15/18,139.79
  6. Step 6: Final answer
    x = 14,615.89

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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.