Home / 10,276.90-15,417.12-3,256.81

Finding the Fourth Proportional to 10,276.90, 15,417.12 and 3,256.81

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Solution

The fourth proportional to 10,276.90, 15,417.12 and 3,256.81 is: 4,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.90 : 15,417.12 = 3,256.81 : x
  2. Step 2: Convert to fraction form
    10,276.90/15,417.12 = 3,256.81/x
  3. Step 3: Cross multiply
    10,276.90x = 15,417.12 × 3,256.81
  4. Step 4: Simplify right side
    10,276.90x = 50,210,630.59
  5. Step 5: Solve for x
    x = 50,210,630.59/10,276.90
  6. Step 6: Final answer
    x = 4,885.78

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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.