Home / 14,767.02-20,378.79-8,479.26

Finding the Fourth Proportional to 14,767.02, 20,378.79 and 8,479.26

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Solution

The fourth proportional to 14,767.02, 20,378.79 and 8,479.26 is: 11,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.02 : 20,378.79 = 8,479.26 : x
  2. Step 2: Convert to fraction form
    14,767.02/20,378.79 = 8,479.26/x
  3. Step 3: Cross multiply
    14,767.02x = 20,378.79 × 8,479.26
  4. Step 4: Simplify right side
    14,767.02x = 172,797,058.90
  5. Step 5: Solve for x
    x = 172,797,058.90/14,767.02
  6. Step 6: Final answer
    x = 11,701.55

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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.