Home / 18,384.27-25,370.13-10,000.77

Finding the Fourth Proportional to 18,384.27, 25,370.13 and 10,000.77

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Solution

The fourth proportional to 18,384.27, 25,370.13 and 10,000.77 is: 13,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.27 : 25,370.13 = 10,000.77 : x
  2. Step 2: Convert to fraction form
    18,384.27/25,370.13 = 10,000.77/x
  3. Step 3: Cross multiply
    18,384.27x = 25,370.13 × 10,000.77
  4. Step 4: Simplify right side
    18,384.27x = 253,720,835.00
  5. Step 5: Solve for x
    x = 253,720,835.00/18,384.27
  6. Step 6: Final answer
    x = 13,800.97

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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.