Home / 18,384.18-25,370.19-10,000.50

Finding the Fourth Proportional to 18,384.18, 25,370.19 and 10,000.50

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Solution

The fourth proportional to 18,384.18, 25,370.19 and 10,000.50 is: 13,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.18 : 25,370.19 = 10,000.50 : x
  2. Step 2: Convert to fraction form
    18,384.18/25,370.19 = 10,000.50/x
  3. Step 3: Cross multiply
    18,384.18x = 25,370.19 × 10,000.50
  4. Step 4: Simplify right side
    18,384.18x = 253,714,585.10
  5. Step 5: Solve for x
    x = 253,714,585.10/18,384.18
  6. Step 6: Final answer
    x = 13,800.70

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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.