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Finding the Fourth Proportional to 15,330.66, 22,986.11 and 6,451.74

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Solution

The fourth proportional to 15,330.66, 22,986.11 and 6,451.74 is: 9,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.66 : 22,986.11 = 6,451.74 : x
  2. Step 2: Convert to fraction form
    15,330.66/22,986.11 = 6,451.74/x
  3. Step 3: Cross multiply
    15,330.66x = 22,986.11 × 6,451.74
  4. Step 4: Simplify right side
    15,330.66x = 148,300,405.33
  5. Step 5: Solve for x
    x = 148,300,405.33/15,330.66
  6. Step 6: Final answer
    x = 9,673.45

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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.