Home / 14,719.42-20,312.70-8,004.92

Finding the Fourth Proportional to 14,719.42, 20,312.70 and 8,004.92

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Solution

The fourth proportional to 14,719.42, 20,312.70 and 8,004.92 is: 11,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.42 : 20,312.70 = 8,004.92 : x
  2. Step 2: Convert to fraction form
    14,719.42/20,312.70 = 8,004.92/x
  3. Step 3: Cross multiply
    14,719.42x = 20,312.70 × 8,004.92
  4. Step 4: Simplify right side
    14,719.42x = 162,601,538.48
  5. Step 5: Solve for x
    x = 162,601,538.48/14,719.42
  6. Step 6: Final answer
    x = 11,046.74

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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.