Home / 14,865.64-20,514.50-8,151.24

Finding the Fourth Proportional to 14,865.64, 20,514.50 and 8,151.24

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Solution

The fourth proportional to 14,865.64, 20,514.50 and 8,151.24 is: 11,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.64 : 20,514.50 = 8,151.24 : x
  2. Step 2: Convert to fraction form
    14,865.64/20,514.50 = 8,151.24/x
  3. Step 3: Cross multiply
    14,865.64x = 20,514.50 × 8,151.24
  4. Step 4: Simplify right side
    14,865.64x = 167,218,612.98
  5. Step 5: Solve for x
    x = 167,218,612.98/14,865.64
  6. Step 6: Final answer
    x = 11,248.67

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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.