Home / 12,298.32-18,445.56-4,505.28

Finding the Fourth Proportional to 12,298.32, 18,445.56 and 4,505.28

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Solution

The fourth proportional to 12,298.32, 18,445.56 and 4,505.28 is: 6,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.32 : 18,445.56 = 4,505.28 : x
  2. Step 2: Convert to fraction form
    12,298.32/18,445.56 = 4,505.28/x
  3. Step 3: Cross multiply
    12,298.32x = 18,445.56 × 4,505.28
  4. Step 4: Simplify right side
    12,298.32x = 83,102,412.56
  5. Step 5: Solve for x
    x = 83,102,412.56/12,298.32
  6. Step 6: Final answer
    x = 6,757.22

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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.