Home / 14,943.32-20,621.12-8,565.35

Finding the Fourth Proportional to 14,943.32, 20,621.12 and 8,565.35

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Solution

The fourth proportional to 14,943.32, 20,621.12 and 8,565.35 is: 11,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.32 : 20,621.12 = 8,565.35 : x
  2. Step 2: Convert to fraction form
    14,943.32/20,621.12 = 8,565.35/x
  3. Step 3: Cross multiply
    14,943.32x = 20,621.12 × 8,565.35
  4. Step 4: Simplify right side
    14,943.32x = 176,627,012.44
  5. Step 5: Solve for x
    x = 176,627,012.44/14,943.32
  6. Step 6: Final answer
    x = 11,819.79

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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.