Home / 18,289.50-25,240.59-10,331.52

Finding the Fourth Proportional to 18,289.50, 25,240.59 and 10,331.52

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Solution

The fourth proportional to 18,289.50, 25,240.59 and 10,331.52 is: 14,258.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.50 : 25,240.59 = 10,331.52 : x
  2. Step 2: Convert to fraction form
    18,289.50/25,240.59 = 10,331.52/x
  3. Step 3: Cross multiply
    18,289.50x = 25,240.59 × 10,331.52
  4. Step 4: Simplify right side
    18,289.50x = 260,773,660.40
  5. Step 5: Solve for x
    x = 260,773,660.40/18,289.50
  6. Step 6: Final answer
    x = 14,258.11

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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.