Home / 15,122.16-22,723.34-8,107.34

Finding the Fourth Proportional to 15,122.16, 22,723.34 and 8,107.34

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Solution

The fourth proportional to 15,122.16, 22,723.34 and 8,107.34 is: 12,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.16 : 22,723.34 = 8,107.34 : x
  2. Step 2: Convert to fraction form
    15,122.16/22,723.34 = 8,107.34/x
  3. Step 3: Cross multiply
    15,122.16x = 22,723.34 × 8,107.34
  4. Step 4: Simplify right side
    15,122.16x = 184,225,689.16
  5. Step 5: Solve for x
    x = 184,225,689.16/15,122.16
  6. Step 6: Final answer
    x = 12,182.50

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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.