Home / 14,730.88-20,328.48-8,767.12

Finding the Fourth Proportional to 14,730.88, 20,328.48 and 8,767.12

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Solution

The fourth proportional to 14,730.88, 20,328.48 and 8,767.12 is: 12,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.88 : 20,328.48 = 8,767.12 : x
  2. Step 2: Convert to fraction form
    14,730.88/20,328.48 = 8,767.12/x
  3. Step 3: Cross multiply
    14,730.88x = 20,328.48 × 8,767.12
  4. Step 4: Simplify right side
    14,730.88x = 178,222,223.58
  5. Step 5: Solve for x
    x = 178,222,223.58/14,730.88
  6. Step 6: Final answer
    x = 12,098.55

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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.