Home / 14,615.80-20,170.02-8,328.04

Finding the Fourth Proportional to 14,615.80, 20,170.02 and 8,328.04

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Solution

The fourth proportional to 14,615.80, 20,170.02 and 8,328.04 is: 11,492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.80 : 20,170.02 = 8,328.04 : x
  2. Step 2: Convert to fraction form
    14,615.80/20,170.02 = 8,328.04/x
  3. Step 3: Cross multiply
    14,615.80x = 20,170.02 × 8,328.04
  4. Step 4: Simplify right side
    14,615.80x = 167,976,733.36
  5. Step 5: Solve for x
    x = 167,976,733.36/14,615.80
  6. Step 6: Final answer
    x = 11,492.82

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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.