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Finding the Fourth Proportional to 10,493, 14,480.34 and 5,777.26

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Solution

The fourth proportional to 10,493, 14,480.34 and 5,777.26 is: 7,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493 : 14,480.34 = 5,777.26 : x
  2. Step 2: Convert to fraction form
    10,493/14,480.34 = 5,777.26/x
  3. Step 3: Cross multiply
    10,493x = 14,480.34 × 5,777.26
  4. Step 4: Simplify right side
    10,493x = 83,656,689.07
  5. Step 5: Solve for x
    x = 83,656,689.07/10,493
  6. Step 6: Final answer
    x = 7,972.62

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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.