Home / 14,837.95-20,476.85-8,123.86

Finding the Fourth Proportional to 14,837.95, 20,476.85 and 8,123.86

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Solution

The fourth proportional to 14,837.95, 20,476.85 and 8,123.86 is: 11,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.95 : 20,476.85 = 8,123.86 : x
  2. Step 2: Convert to fraction form
    14,837.95/20,476.85 = 8,123.86/x
  3. Step 3: Cross multiply
    14,837.95x = 20,476.85 × 8,123.86
  4. Step 4: Simplify right side
    14,837.95x = 166,351,062.64
  5. Step 5: Solve for x
    x = 166,351,062.64/14,837.95
  6. Step 6: Final answer
    x = 11,211.19

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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.