Home / 11,547.12-15,832.86-10,423.92

Finding the Fourth Proportional to 11,547.12, 15,832.86 and 10,423.92

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Solution

The fourth proportional to 11,547.12, 15,832.86 and 10,423.92 is: 14,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.12 : 15,832.86 = 10,423.92 : x
  2. Step 2: Convert to fraction form
    11,547.12/15,832.86 = 10,423.92/x
  3. Step 3: Cross multiply
    11,547.12x = 15,832.86 × 10,423.92
  4. Step 4: Simplify right side
    11,547.12x = 165,040,466.01
  5. Step 5: Solve for x
    x = 165,040,466.01/11,547.12
  6. Step 6: Final answer
    x = 14,292.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.