Home / 9,712.20-14,579.10-9,077.70

Finding the Fourth Proportional to 9,712.20, 14,579.10 and 9,077.70

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Solution

The fourth proportional to 9,712.20, 14,579.10 and 9,077.70 is: 13,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.20 : 14,579.10 = 9,077.70 : x
  2. Step 2: Convert to fraction form
    9,712.20/14,579.10 = 9,077.70/x
  3. Step 3: Cross multiply
    9,712.20x = 14,579.10 × 9,077.70
  4. Step 4: Simplify right side
    9,712.20x = 132,344,696.07
  5. Step 5: Solve for x
    x = 132,344,696.07/9,712.20
  6. Step 6: Final answer
    x = 13,626.64

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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.