Home / 10,276.80-15,415.20-4,037.10

Finding the Fourth Proportional to 10,276.80, 15,415.20 and 4,037.10

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Solution

The fourth proportional to 10,276.80, 15,415.20 and 4,037.10 is: 6,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.80 : 15,415.20 = 4,037.10 : x
  2. Step 2: Convert to fraction form
    10,276.80/15,415.20 = 4,037.10/x
  3. Step 3: Cross multiply
    10,276.80x = 15,415.20 × 4,037.10
  4. Step 4: Simplify right side
    10,276.80x = 62,232,703.92
  5. Step 5: Solve for x
    x = 62,232,703.92/10,276.80
  6. Step 6: Final answer
    x = 6,055.65

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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.