Home / 14,440.41-19,927.85-8,472.20

Finding the Fourth Proportional to 14,440.41, 19,927.85 and 8,472.20

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Solution

The fourth proportional to 14,440.41, 19,927.85 and 8,472.20 is: 11,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.41 : 19,927.85 = 8,472.20 : x
  2. Step 2: Convert to fraction form
    14,440.41/19,927.85 = 8,472.20/x
  3. Step 3: Cross multiply
    14,440.41x = 19,927.85 × 8,472.20
  4. Step 4: Simplify right side
    14,440.41x = 168,832,588.77
  5. Step 5: Solve for x
    x = 168,832,588.77/14,440.41
  6. Step 6: Final answer
    x = 11,691.68

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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.