Home / 14,663.88-20,237.40-8,376.12

Finding the Fourth Proportional to 14,663.88, 20,237.40 and 8,376.12

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Solution

The fourth proportional to 14,663.88, 20,237.40 and 8,376.12 is: 11,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.88 : 20,237.40 = 8,376.12 : x
  2. Step 2: Convert to fraction form
    14,663.88/20,237.40 = 8,376.12/x
  3. Step 3: Cross multiply
    14,663.88x = 20,237.40 × 8,376.12
  4. Step 4: Simplify right side
    14,663.88x = 169,510,890.89
  5. Step 5: Solve for x
    x = 169,510,890.89/14,663.88
  6. Step 6: Final answer
    x = 11,559.76

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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.