Home / 17,943.05-24,760.99-9,985.11

Finding the Fourth Proportional to 17,943.05, 24,760.99 and 9,985.11

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Solution

The fourth proportional to 17,943.05, 24,760.99 and 9,985.11 is: 13,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.05 : 24,760.99 = 9,985.11 : x
  2. Step 2: Convert to fraction form
    17,943.05/24,760.99 = 9,985.11/x
  3. Step 3: Cross multiply
    17,943.05x = 24,760.99 × 9,985.11
  4. Step 4: Simplify right side
    17,943.05x = 247,241,128.49
  5. Step 5: Solve for x
    x = 247,241,128.49/17,943.05
  6. Step 6: Final answer
    x = 13,779.21

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Similar ratio
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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.