Home / 12,434.16-18,642.12-5,856.66

Finding the Fourth Proportional to 12,434.16, 18,642.12 and 5,856.66

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Solution

The fourth proportional to 12,434.16, 18,642.12 and 5,856.66 is: 8,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.16 : 18,642.12 = 5,856.66 : x
  2. Step 2: Convert to fraction form
    12,434.16/18,642.12 = 5,856.66/x
  3. Step 3: Cross multiply
    12,434.16x = 18,642.12 × 5,856.66
  4. Step 4: Simplify right side
    12,434.16x = 109,180,558.52
  5. Step 5: Solve for x
    x = 109,180,558.52/12,434.16
  6. Step 6: Final answer
    x = 8,780.69

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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.