Home / 10,898.20-15,037.81-6,181.57

Finding the Fourth Proportional to 10,898.20, 15,037.81 and 6,181.57

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Solution

The fourth proportional to 10,898.20, 15,037.81 and 6,181.57 is: 8,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.20 : 15,037.81 = 6,181.57 : x
  2. Step 2: Convert to fraction form
    10,898.20/15,037.81 = 6,181.57/x
  3. Step 3: Cross multiply
    10,898.20x = 15,037.81 × 6,181.57
  4. Step 4: Simplify right side
    10,898.20x = 92,957,275.16
  5. Step 5: Solve for x
    x = 92,957,275.16/10,898.20
  6. Step 6: Final answer
    x = 8,529.60

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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.