Home / 16,871.95-23,284.70-9,318.97

Finding the Fourth Proportional to 16,871.95, 23,284.70 and 9,318.97

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Solution

The fourth proportional to 16,871.95, 23,284.70 and 9,318.97 is: 12,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.95 : 23,284.70 = 9,318.97 : x
  2. Step 2: Convert to fraction form
    16,871.95/23,284.70 = 9,318.97/x
  3. Step 3: Cross multiply
    16,871.95x = 23,284.70 × 9,318.97
  4. Step 4: Simplify right side
    16,871.95x = 216,989,420.76
  5. Step 5: Solve for x
    x = 216,989,420.76/16,871.95
  6. Step 6: Final answer
    x = 12,860.96

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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.