Home / 14,980.32-20,672.58-8,266.59

Finding the Fourth Proportional to 14,980.32, 20,672.58 and 8,266.59

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Solution

The fourth proportional to 14,980.32, 20,672.58 and 8,266.59 is: 11,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.32 : 20,672.58 = 8,266.59 : x
  2. Step 2: Convert to fraction form
    14,980.32/20,672.58 = 8,266.59/x
  3. Step 3: Cross multiply
    14,980.32x = 20,672.58 × 8,266.59
  4. Step 4: Simplify right side
    14,980.32x = 170,891,743.10
  5. Step 5: Solve for x
    x = 170,891,743.10/14,980.32
  6. Step 6: Final answer
    x = 11,407.75

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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.