Home / 16,781.45-25,117.41-12,337.94

Finding the Fourth Proportional to 16,781.45, 25,117.41 and 12,337.94

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Solution

The fourth proportional to 16,781.45, 25,117.41 and 12,337.94 is: 18,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.45 : 25,117.41 = 12,337.94 : x
  2. Step 2: Convert to fraction form
    16,781.45/25,117.41 = 12,337.94/x
  3. Step 3: Cross multiply
    16,781.45x = 25,117.41 × 12,337.94
  4. Step 4: Simplify right side
    16,781.45x = 309,896,971.95
  5. Step 5: Solve for x
    x = 309,896,971.95/16,781.45
  6. Step 6: Final answer
    x = 18,466.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.