Home / 14,381.02-21,543.87-8,818.14

Finding the Fourth Proportional to 14,381.02, 21,543.87 and 8,818.14

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Solution

The fourth proportional to 14,381.02, 21,543.87 and 8,818.14 is: 13,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.02 : 21,543.87 = 8,818.14 : x
  2. Step 2: Convert to fraction form
    14,381.02/21,543.87 = 8,818.14/x
  3. Step 3: Cross multiply
    14,381.02x = 21,543.87 × 8,818.14
  4. Step 4: Simplify right side
    14,381.02x = 189,976,861.80
  5. Step 5: Solve for x
    x = 189,976,861.80/14,381.02
  6. Step 6: Final answer
    x = 13,210.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.