Home / 12,508.02-18,835.88-10,884.11

Finding the Fourth Proportional to 12,508.02, 18,835.88 and 10,884.11

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Solution

The fourth proportional to 12,508.02, 18,835.88 and 10,884.11 is: 16,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.02 : 18,835.88 = 10,884.11 : x
  2. Step 2: Convert to fraction form
    12,508.02/18,835.88 = 10,884.11/x
  3. Step 3: Cross multiply
    12,508.02x = 18,835.88 × 10,884.11
  4. Step 4: Simplify right side
    12,508.02x = 205,011,641.27
  5. Step 5: Solve for x
    x = 205,011,641.27/12,508.02
  6. Step 6: Final answer
    x = 16,390.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.