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Finding the Fourth Proportional to 10,009.44, 14,988.24 and 6,899.04

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Solution

The fourth proportional to 10,009.44, 14,988.24 and 6,899.04 is: 10,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.44 : 14,988.24 = 6,899.04 : x
  2. Step 2: Convert to fraction form
    10,009.44/14,988.24 = 6,899.04/x
  3. Step 3: Cross multiply
    10,009.44x = 14,988.24 × 6,899.04
  4. Step 4: Simplify right side
    10,009.44x = 103,404,467.29
  5. Step 5: Solve for x
    x = 103,404,467.29/10,009.44
  6. Step 6: Final answer
    x = 10,330.69

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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.