Home / 12,587.24-18,884.25-11,210.04

Finding the Fourth Proportional to 12,587.24, 18,884.25 and 11,210.04

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Solution

The fourth proportional to 12,587.24, 18,884.25 and 11,210.04 is: 16,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.24 : 18,884.25 = 11,210.04 : x
  2. Step 2: Convert to fraction form
    12,587.24/18,884.25 = 11,210.04/x
  3. Step 3: Cross multiply
    12,587.24x = 18,884.25 × 11,210.04
  4. Step 4: Simplify right side
    12,587.24x = 211,693,197.87
  5. Step 5: Solve for x
    x = 211,693,197.87/12,587.24
  6. Step 6: Final answer
    x = 16,818.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.