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Finding the Fourth Proportional to 10,560.00, 15,828.62 and 6,864.89

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Solution

The fourth proportional to 10,560.00, 15,828.62 and 6,864.89 is: 10,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.00 : 15,828.62 = 6,864.89 : x
  2. Step 2: Convert to fraction form
    10,560.00/15,828.62 = 6,864.89/x
  3. Step 3: Cross multiply
    10,560.00x = 15,828.62 × 6,864.89
  4. Step 4: Simplify right side
    10,560.00x = 108,661,621.68
  5. Step 5: Solve for x
    x = 108,661,621.68/10,560.00
  6. Step 6: Final answer
    x = 10,289.92

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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.