Home / 10,281.20-15,417.48-4,434.80

Finding the Fourth Proportional to 10,281.20, 15,417.48 and 4,434.80

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Solution

The fourth proportional to 10,281.20, 15,417.48 and 4,434.80 is: 6,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.20 : 15,417.48 = 4,434.80 : x
  2. Step 2: Convert to fraction form
    10,281.20/15,417.48 = 4,434.80/x
  3. Step 3: Cross multiply
    10,281.20x = 15,417.48 × 4,434.80
  4. Step 4: Simplify right side
    10,281.20x = 68,373,440.30
  5. Step 5: Solve for x
    x = 68,373,440.30/10,281.20
  6. Step 6: Final answer
    x = 6,650.34

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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.