Home / 16,685.83-23,029.03-9,515.76

Finding the Fourth Proportional to 16,685.83, 23,029.03 and 9,515.76

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Solution

The fourth proportional to 16,685.83, 23,029.03 and 9,515.76 is: 13,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.83 : 23,029.03 = 9,515.76 : x
  2. Step 2: Convert to fraction form
    16,685.83/23,029.03 = 9,515.76/x
  3. Step 3: Cross multiply
    16,685.83x = 23,029.03 × 9,515.76
  4. Step 4: Simplify right side
    16,685.83x = 219,138,734.41
  5. Step 5: Solve for x
    x = 219,138,734.41/16,685.83
  6. Step 6: Final answer
    x = 13,133.22

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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.