Home / 17,478.92-24,120.96-10,405.28

Finding the Fourth Proportional to 17,478.92, 24,120.96 and 10,405.28

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Solution

The fourth proportional to 17,478.92, 24,120.96 and 10,405.28 is: 14,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.92 : 24,120.96 = 10,405.28 : x
  2. Step 2: Convert to fraction form
    17,478.92/24,120.96 = 10,405.28/x
  3. Step 3: Cross multiply
    17,478.92x = 24,120.96 × 10,405.28
  4. Step 4: Simplify right side
    17,478.92x = 250,985,342.67
  5. Step 5: Solve for x
    x = 250,985,342.67/17,478.92
  6. Step 6: Final answer
    x = 14,359.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.