Home / 9,211.66-12,719.59-7,510.44

Finding the Fourth Proportional to 9,211.66, 12,719.59 and 7,510.44

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Solution

The fourth proportional to 9,211.66, 12,719.59 and 7,510.44 is: 10,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.66 : 12,719.59 = 7,510.44 : x
  2. Step 2: Convert to fraction form
    9,211.66/12,719.59 = 7,510.44/x
  3. Step 3: Cross multiply
    9,211.66x = 12,719.59 × 7,510.44
  4. Step 4: Simplify right side
    9,211.66x = 95,529,717.52
  5. Step 5: Solve for x
    x = 95,529,717.52/9,211.66
  6. Step 6: Final answer
    x = 10,370.52

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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.