Home / 15,466.28-21,334.02-9,867.56

Finding the Fourth Proportional to 15,466.28, 21,334.02 and 9,867.56

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Solution

The fourth proportional to 15,466.28, 21,334.02 and 9,867.56 is: 13,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.28 : 21,334.02 = 9,867.56 : x
  2. Step 2: Convert to fraction form
    15,466.28/21,334.02 = 9,867.56/x
  3. Step 3: Cross multiply
    15,466.28x = 21,334.02 × 9,867.56
  4. Step 4: Simplify right side
    15,466.28x = 210,514,722.39
  5. Step 5: Solve for x
    x = 210,514,722.39/15,466.28
  6. Step 6: Final answer
    x = 13,611.21

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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.