Home / 16,985.59-25,478.36-11,140.83

Finding the Fourth Proportional to 16,985.59, 25,478.36 and 11,140.83

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Solution

The fourth proportional to 16,985.59, 25,478.36 and 11,140.83 is: 16,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.59 : 25,478.36 = 11,140.83 : x
  2. Step 2: Convert to fraction form
    16,985.59/25,478.36 = 11,140.83/x
  3. Step 3: Cross multiply
    16,985.59x = 25,478.36 × 11,140.83
  4. Step 4: Simplify right side
    16,985.59x = 283,850,077.44
  5. Step 5: Solve for x
    x = 283,850,077.44/16,985.59
  6. Step 6: Final answer
    x = 16,711.23

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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.