Home / 14,543.20-20,069.08-8,887.41

Finding the Fourth Proportional to 14,543.20, 20,069.08 and 8,887.41

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Solution

The fourth proportional to 14,543.20, 20,069.08 and 8,887.41 is: 12,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.20 : 20,069.08 = 8,887.41 : x
  2. Step 2: Convert to fraction form
    14,543.20/20,069.08 = 8,887.41/x
  3. Step 3: Cross multiply
    14,543.20x = 20,069.08 × 8,887.41
  4. Step 4: Simplify right side
    14,543.20x = 178,362,120.06
  5. Step 5: Solve for x
    x = 178,362,120.06/14,543.20
  6. Step 6: Final answer
    x = 12,264.30

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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.