Home / 12,637.08-17,445.78-8,871.66

Finding the Fourth Proportional to 12,637.08, 17,445.78 and 8,871.66

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Solution

The fourth proportional to 12,637.08, 17,445.78 and 8,871.66 is: 12,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.08 : 17,445.78 = 8,871.66 : x
  2. Step 2: Convert to fraction form
    12,637.08/17,445.78 = 8,871.66/x
  3. Step 3: Cross multiply
    12,637.08x = 17,445.78 × 8,871.66
  4. Step 4: Simplify right side
    12,637.08x = 154,773,028.59
  5. Step 5: Solve for x
    x = 154,773,028.59/12,637.08
  6. Step 6: Final answer
    x = 12,247.53

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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.