Home / 11,127.54-15,354.65-8,864.65

Finding the Fourth Proportional to 11,127.54, 15,354.65 and 8,864.65

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Solution

The fourth proportional to 11,127.54, 15,354.65 and 8,864.65 is: 12,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.54 : 15,354.65 = 8,864.65 : x
  2. Step 2: Convert to fraction form
    11,127.54/15,354.65 = 8,864.65/x
  3. Step 3: Cross multiply
    11,127.54x = 15,354.65 × 8,864.65
  4. Step 4: Simplify right side
    11,127.54x = 136,113,532.03
  5. Step 5: Solve for x
    x = 136,113,532.03/11,127.54
  6. Step 6: Final answer
    x = 12,232.13

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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.