Home / 10,976.10-15,146.87-6,260.46

Finding the Fourth Proportional to 10,976.10, 15,146.87 and 6,260.46

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Solution

The fourth proportional to 10,976.10, 15,146.87 and 6,260.46 is: 8,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.10 : 15,146.87 = 6,260.46 : x
  2. Step 2: Convert to fraction form
    10,976.10/15,146.87 = 6,260.46/x
  3. Step 3: Cross multiply
    10,976.10x = 15,146.87 × 6,260.46
  4. Step 4: Simplify right side
    10,976.10x = 94,826,342.46
  5. Step 5: Solve for x
    x = 94,826,342.46/10,976.10
  6. Step 6: Final answer
    x = 8,639.35

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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.