Home / 14,534.86-20,064.72-11,176.48

Finding the Fourth Proportional to 14,534.86, 20,064.72 and 11,176.48

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Solution

The fourth proportional to 14,534.86, 20,064.72 and 11,176.48 is: 15,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.86 : 20,064.72 = 11,176.48 : x
  2. Step 2: Convert to fraction form
    14,534.86/20,064.72 = 11,176.48/x
  3. Step 3: Cross multiply
    14,534.86x = 20,064.72 × 11,176.48
  4. Step 4: Simplify right side
    14,534.86x = 224,252,941.79
  5. Step 5: Solve for x
    x = 224,252,941.79/14,534.86
  6. Step 6: Final answer
    x = 15,428.63

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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.