Home / 14,767.56-20,378.38-8,479.52

Finding the Fourth Proportional to 14,767.56, 20,378.38 and 8,479.52

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Solution

The fourth proportional to 14,767.56, 20,378.38 and 8,479.52 is: 11,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.56 : 20,378.38 = 8,479.52 : x
  2. Step 2: Convert to fraction form
    14,767.56/20,378.38 = 8,479.52/x
  3. Step 3: Cross multiply
    14,767.56x = 20,378.38 × 8,479.52
  4. Step 4: Simplify right side
    14,767.56x = 172,798,880.78
  5. Step 5: Solve for x
    x = 172,798,880.78/14,767.56
  6. Step 6: Final answer
    x = 11,701.25

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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.