Home / 18,650.61-25,743.27-14,899.91

Finding the Fourth Proportional to 18,650.61, 25,743.27 and 14,899.91

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Solution

The fourth proportional to 18,650.61, 25,743.27 and 14,899.91 is: 20,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.61 : 25,743.27 = 14,899.91 : x
  2. Step 2: Convert to fraction form
    18,650.61/25,743.27 = 14,899.91/x
  3. Step 3: Cross multiply
    18,650.61x = 25,743.27 × 14,899.91
  4. Step 4: Simplify right side
    18,650.61x = 383,572,277.39
  5. Step 5: Solve for x
    x = 383,572,277.39/18,650.61
  6. Step 6: Final answer
    x = 20,566.21

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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.