Home / 14,752.56-20,357.28-8,464.80

Finding the Fourth Proportional to 14,752.56, 20,357.28 and 8,464.80

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Solution

The fourth proportional to 14,752.56, 20,357.28 and 8,464.80 is: 11,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.56 : 20,357.28 = 8,464.80 : x
  2. Step 2: Convert to fraction form
    14,752.56/20,357.28 = 8,464.80/x
  3. Step 3: Cross multiply
    14,752.56x = 20,357.28 × 8,464.80
  4. Step 4: Simplify right side
    14,752.56x = 172,320,303.74
  5. Step 5: Solve for x
    x = 172,320,303.74/14,752.56
  6. Step 6: Final answer
    x = 11,680.71

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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.