Home / 17,639.73-24,343.05-9,681.78

Finding the Fourth Proportional to 17,639.73, 24,343.05 and 9,681.78

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Solution

The fourth proportional to 17,639.73, 24,343.05 and 9,681.78 is: 13,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.73 : 24,343.05 = 9,681.78 : x
  2. Step 2: Convert to fraction form
    17,639.73/24,343.05 = 9,681.78/x
  3. Step 3: Cross multiply
    17,639.73x = 24,343.05 × 9,681.78
  4. Step 4: Simplify right side
    17,639.73x = 235,684,054.63
  5. Step 5: Solve for x
    x = 235,684,054.63/17,639.73
  6. Step 6: Final answer
    x = 13,360.98

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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.