Home / 14,840.55-20,479.96-8,126.18

Finding the Fourth Proportional to 14,840.55, 20,479.96 and 8,126.18

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Solution

The fourth proportional to 14,840.55, 20,479.96 and 8,126.18 is: 11,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.55 : 20,479.96 = 8,126.18 : x
  2. Step 2: Convert to fraction form
    14,840.55/20,479.96 = 8,126.18/x
  3. Step 3: Cross multiply
    14,840.55x = 20,479.96 × 8,126.18
  4. Step 4: Simplify right side
    14,840.55x = 166,423,841.35
  5. Step 5: Solve for x
    x = 166,423,841.35/14,840.55
  6. Step 6: Final answer
    x = 11,214.13

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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.