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Finding the Fourth Proportional to 10,348.72, 15,523.86 and 7,094.08

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Solution

The fourth proportional to 10,348.72, 15,523.86 and 7,094.08 is: 10,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.72 : 15,523.86 = 7,094.08 : x
  2. Step 2: Convert to fraction form
    10,348.72/15,523.86 = 7,094.08/x
  3. Step 3: Cross multiply
    10,348.72x = 15,523.86 × 7,094.08
  4. Step 4: Simplify right side
    10,348.72x = 110,127,504.75
  5. Step 5: Solve for x
    x = 110,127,504.75/10,348.72
  6. Step 6: Final answer
    x = 10,641.65

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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.