Home / 18,360.12-25,337.34-9,977.16

Finding the Fourth Proportional to 18,360.12, 25,337.34 and 9,977.16

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Solution

The fourth proportional to 18,360.12, 25,337.34 and 9,977.16 is: 13,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.12 : 25,337.34 = 9,977.16 : x
  2. Step 2: Convert to fraction form
    18,360.12/25,337.34 = 9,977.16/x
  3. Step 3: Cross multiply
    18,360.12x = 25,337.34 × 9,977.16
  4. Step 4: Simplify right side
    18,360.12x = 252,794,695.15
  5. Step 5: Solve for x
    x = 252,794,695.15/18,360.12
  6. Step 6: Final answer
    x = 13,768.68

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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.