Home / 16,867.20-23,283.60-10,899.36

Finding the Fourth Proportional to 16,867.20, 23,283.60 and 10,899.36

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Solution

The fourth proportional to 16,867.20, 23,283.60 and 10,899.36 is: 15,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.20 : 23,283.60 = 10,899.36 : x
  2. Step 2: Convert to fraction form
    16,867.20/23,283.60 = 10,899.36/x
  3. Step 3: Cross multiply
    16,867.20x = 23,283.60 × 10,899.36
  4. Step 4: Simplify right side
    16,867.20x = 253,776,338.50
  5. Step 5: Solve for x
    x = 253,776,338.50/16,867.20
  6. Step 6: Final answer
    x = 15,045.55

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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.