Home / 11,919.16-16,432.38-10,233.28

Finding the Fourth Proportional to 11,919.16, 16,432.38 and 10,233.28

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Solution

The fourth proportional to 11,919.16, 16,432.38 and 10,233.28 is: 14,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.16 : 16,432.38 = 10,233.28 : x
  2. Step 2: Convert to fraction form
    11,919.16/16,432.38 = 10,233.28/x
  3. Step 3: Cross multiply
    11,919.16x = 16,432.38 × 10,233.28
  4. Step 4: Simplify right side
    11,919.16x = 168,157,145.61
  5. Step 5: Solve for x
    x = 168,157,145.61/11,919.16
  6. Step 6: Final answer
    x = 14,108.14

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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.