Home / 14,862.36-20,487.06-11,079.76

Finding the Fourth Proportional to 14,862.36, 20,487.06 and 11,079.76

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Solution

The fourth proportional to 14,862.36, 20,487.06 and 11,079.76 is: 15,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.36 : 20,487.06 = 11,079.76 : x
  2. Step 2: Convert to fraction form
    14,862.36/20,487.06 = 11,079.76/x
  3. Step 3: Cross multiply
    14,862.36x = 20,487.06 × 11,079.76
  4. Step 4: Simplify right side
    14,862.36x = 226,991,707.91
  5. Step 5: Solve for x
    x = 226,991,707.91/14,862.36
  6. Step 6: Final answer
    x = 15,272.92

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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.