Home / 11,210.88-15,470.40-6,960.96

Finding the Fourth Proportional to 11,210.88, 15,470.40 and 6,960.96

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Solution

The fourth proportional to 11,210.88, 15,470.40 and 6,960.96 is: 9,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.88 : 15,470.40 = 6,960.96 : x
  2. Step 2: Convert to fraction form
    11,210.88/15,470.40 = 6,960.96/x
  3. Step 3: Cross multiply
    11,210.88x = 15,470.40 × 6,960.96
  4. Step 4: Simplify right side
    11,210.88x = 107,688,835.58
  5. Step 5: Solve for x
    x = 107,688,835.58/11,210.88
  6. Step 6: Final answer
    x = 9,605.74

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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.