Home / 16,943.76-23,382.57-9,870.84

Finding the Fourth Proportional to 16,943.76, 23,382.57 and 9,870.84

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Solution

The fourth proportional to 16,943.76, 23,382.57 and 9,870.84 is: 13,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.76 : 23,382.57 = 9,870.84 : x
  2. Step 2: Convert to fraction form
    16,943.76/23,382.57 = 9,870.84/x
  3. Step 3: Cross multiply
    16,943.76x = 23,382.57 × 9,870.84
  4. Step 4: Simplify right side
    16,943.76x = 230,805,607.26
  5. Step 5: Solve for x
    x = 230,805,607.26/16,943.76
  6. Step 6: Final answer
    x = 13,621.86

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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.