Home / 17,639.31-24,343.11-9,681.45

Finding the Fourth Proportional to 17,639.31, 24,343.11 and 9,681.45

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Solution

The fourth proportional to 17,639.31, 24,343.11 and 9,681.45 is: 13,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.31 : 24,343.11 = 9,681.45 : x
  2. Step 2: Convert to fraction form
    17,639.31/24,343.11 = 9,681.45/x
  3. Step 3: Cross multiply
    17,639.31x = 24,343.11 × 9,681.45
  4. Step 4: Simplify right side
    17,639.31x = 235,676,602.31
  5. Step 5: Solve for x
    x = 235,676,602.31/17,639.31
  6. Step 6: Final answer
    x = 13,360.87

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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.