Home / 18,280.55-27,417.35-8,911.14

Finding the Fourth Proportional to 18,280.55, 27,417.35 and 8,911.14

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Solution

The fourth proportional to 18,280.55, 27,417.35 and 8,911.14 is: 13,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.55 : 27,417.35 = 8,911.14 : x
  2. Step 2: Convert to fraction form
    18,280.55/27,417.35 = 8,911.14/x
  3. Step 3: Cross multiply
    18,280.55x = 27,417.35 × 8,911.14
  4. Step 4: Simplify right side
    18,280.55x = 244,319,917.96
  5. Step 5: Solve for x
    x = 244,319,917.96/18,280.55
  6. Step 6: Final answer
    x = 13,365.02

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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.