Home / 22,527.12-31,086.45-12,317.96

Finding the Fourth Proportional to 22,527.12, 31,086.45 and 12,317.96

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Solution

The fourth proportional to 22,527.12, 31,086.45 and 12,317.96 is: 16,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.12 : 31,086.45 = 12,317.96 : x
  2. Step 2: Convert to fraction form
    22,527.12/31,086.45 = 12,317.96/x
  3. Step 3: Cross multiply
    22,527.12x = 31,086.45 × 12,317.96
  4. Step 4: Simplify right side
    22,527.12x = 382,921,492.21
  5. Step 5: Solve for x
    x = 382,921,492.21/22,527.12
  6. Step 6: Final answer
    x = 16,998.24

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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.