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Finding the Fourth Proportional to 10,873.53, 15,010.05 and 7,341.53

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Solution

The fourth proportional to 10,873.53, 15,010.05 and 7,341.53 is: 10,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.53 : 15,010.05 = 7,341.53 : x
  2. Step 2: Convert to fraction form
    10,873.53/15,010.05 = 7,341.53/x
  3. Step 3: Cross multiply
    10,873.53x = 15,010.05 × 7,341.53
  4. Step 4: Simplify right side
    10,873.53x = 110,196,657.33
  5. Step 5: Solve for x
    x = 110,196,657.33/10,873.53
  6. Step 6: Final answer
    x = 10,134.40

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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.