Home / 18,623.60-25,701.24-10,240.40

Finding the Fourth Proportional to 18,623.60, 25,701.24 and 10,240.40

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Solution

The fourth proportional to 18,623.60, 25,701.24 and 10,240.40 is: 14,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.60 : 25,701.24 = 10,240.40 : x
  2. Step 2: Convert to fraction form
    18,623.60/25,701.24 = 10,240.40/x
  3. Step 3: Cross multiply
    18,623.60x = 25,701.24 × 10,240.40
  4. Step 4: Simplify right side
    18,623.60x = 263,190,978.10
  5. Step 5: Solve for x
    x = 263,190,978.10/18,623.60
  6. Step 6: Final answer
    x = 14,132.12

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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.