Home / 15,182.28-20,946.54-8,466.69

Finding the Fourth Proportional to 15,182.28, 20,946.54 and 8,466.69

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Solution

The fourth proportional to 15,182.28, 20,946.54 and 8,466.69 is: 11,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.28 : 20,946.54 = 8,466.69 : x
  2. Step 2: Convert to fraction form
    15,182.28/20,946.54 = 8,466.69/x
  3. Step 3: Cross multiply
    15,182.28x = 20,946.54 × 8,466.69
  4. Step 4: Simplify right side
    15,182.28x = 177,347,860.75
  5. Step 5: Solve for x
    x = 177,347,860.75/15,182.28
  6. Step 6: Final answer
    x = 11,681.24

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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.