Home / 10,303.74-15,456.24-2,908.80

Finding the Fourth Proportional to 10,303.74, 15,456.24 and 2,908.80

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Solution

The fourth proportional to 10,303.74, 15,456.24 and 2,908.80 is: 4,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.74 : 15,456.24 = 2,908.80 : x
  2. Step 2: Convert to fraction form
    10,303.74/15,456.24 = 2,908.80/x
  3. Step 3: Cross multiply
    10,303.74x = 15,456.24 × 2,908.80
  4. Step 4: Simplify right side
    10,303.74x = 44,959,110.91
  5. Step 5: Solve for x
    x = 44,959,110.91/10,303.74
  6. Step 6: Final answer
    x = 4,363.38

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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.