Home / 10,100.30-15,150.45-6,206.90

Finding the Fourth Proportional to 10,100.30, 15,150.45 and 6,206.90

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Solution

The fourth proportional to 10,100.30, 15,150.45 and 6,206.90 is: 9,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.30 : 15,150.45 = 6,206.90 : x
  2. Step 2: Convert to fraction form
    10,100.30/15,150.45 = 6,206.90/x
  3. Step 3: Cross multiply
    10,100.30x = 15,150.45 × 6,206.90
  4. Step 4: Simplify right side
    10,100.30x = 94,037,328.11
  5. Step 5: Solve for x
    x = 94,037,328.11/10,100.30
  6. Step 6: Final answer
    x = 9,310.35

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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.