Home / 10,223.76-15,335.60-4,376.56

Finding the Fourth Proportional to 10,223.76, 15,335.60 and 4,376.56

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Solution

The fourth proportional to 10,223.76, 15,335.60 and 4,376.56 is: 6,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.76 : 15,335.60 = 4,376.56 : x
  2. Step 2: Convert to fraction form
    10,223.76/15,335.60 = 4,376.56/x
  3. Step 3: Cross multiply
    10,223.76x = 15,335.60 × 4,376.56
  4. Step 4: Simplify right side
    10,223.76x = 67,117,173.54
  5. Step 5: Solve for x
    x = 67,117,173.54/10,223.76
  6. Step 6: Final answer
    x = 6,564.82

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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.