Home / 10,432.89-15,649.34-6,320.25

Finding the Fourth Proportional to 10,432.89, 15,649.34 and 6,320.25

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Solution

The fourth proportional to 10,432.89, 15,649.34 and 6,320.25 is: 9,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.89 : 15,649.34 = 6,320.25 : x
  2. Step 2: Convert to fraction form
    10,432.89/15,649.34 = 6,320.25/x
  3. Step 3: Cross multiply
    10,432.89x = 15,649.34 × 6,320.25
  4. Step 4: Simplify right side
    10,432.89x = 98,907,709.53
  5. Step 5: Solve for x
    x = 98,907,709.53/10,432.89
  6. Step 6: Final answer
    x = 9,480.38

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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.