Home / 10,256.20-15,384.28-7,340.20

Finding the Fourth Proportional to 10,256.20, 15,384.28 and 7,340.20

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Solution

The fourth proportional to 10,256.20, 15,384.28 and 7,340.20 is: 11,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.20 : 15,384.28 = 7,340.20 : x
  2. Step 2: Convert to fraction form
    10,256.20/15,384.28 = 7,340.20/x
  3. Step 3: Cross multiply
    10,256.20x = 15,384.28 × 7,340.20
  4. Step 4: Simplify right side
    10,256.20x = 112,923,692.06
  5. Step 5: Solve for x
    x = 112,923,692.06/10,256.20
  6. Step 6: Final answer
    x = 11,010.29

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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.