Home / 10,188.53-15,293.10-5,261.69

Finding the Fourth Proportional to 10,188.53, 15,293.10 and 5,261.69

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Solution

The fourth proportional to 10,188.53, 15,293.10 and 5,261.69 is: 7,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.53 : 15,293.10 = 5,261.69 : x
  2. Step 2: Convert to fraction form
    10,188.53/15,293.10 = 5,261.69/x
  3. Step 3: Cross multiply
    10,188.53x = 15,293.10 × 5,261.69
  4. Step 4: Simplify right side
    10,188.53x = 80,467,551.34
  5. Step 5: Solve for x
    x = 80,467,551.34/10,188.53
  6. Step 6: Final answer
    x = 7,897.86

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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.