Home / 10,213.32-15,320.02-2,818.16

Finding the Fourth Proportional to 10,213.32, 15,320.02 and 2,818.16

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Solution

The fourth proportional to 10,213.32, 15,320.02 and 2,818.16 is: 4,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.32 : 15,320.02 = 2,818.16 : x
  2. Step 2: Convert to fraction form
    10,213.32/15,320.02 = 2,818.16/x
  3. Step 3: Cross multiply
    10,213.32x = 15,320.02 × 2,818.16
  4. Step 4: Simplify right side
    10,213.32x = 43,174,267.56
  5. Step 5: Solve for x
    x = 43,174,267.56/10,213.32
  6. Step 6: Final answer
    x = 4,227.25

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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.