Home / 14,719.55-20,310.80-8,666.19

Finding the Fourth Proportional to 14,719.55, 20,310.80 and 8,666.19

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Solution

The fourth proportional to 14,719.55, 20,310.80 and 8,666.19 is: 11,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.55 : 20,310.80 = 8,666.19 : x
  2. Step 2: Convert to fraction form
    14,719.55/20,310.80 = 8,666.19/x
  3. Step 3: Cross multiply
    14,719.55x = 20,310.80 × 8,666.19
  4. Step 4: Simplify right side
    14,719.55x = 176,017,208.52
  5. Step 5: Solve for x
    x = 176,017,208.52/14,719.55
  6. Step 6: Final answer
    x = 11,958.06

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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.