Home / 15,116.76-20,863.26-9,457.20

Finding the Fourth Proportional to 15,116.76, 20,863.26 and 9,457.20

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Solution

The fourth proportional to 15,116.76, 20,863.26 and 9,457.20 is: 13,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116.76 : 20,863.26 = 9,457.20 : x
  2. Step 2: Convert to fraction form
    15,116.76/20,863.26 = 9,457.20/x
  3. Step 3: Cross multiply
    15,116.76x = 20,863.26 × 9,457.20
  4. Step 4: Simplify right side
    15,116.76x = 197,308,022.47
  5. Step 5: Solve for x
    x = 197,308,022.47/15,116.76
  6. Step 6: Final answer
    x = 13,052.27

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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.