Home / 16,316.88-22,519.56-9,243.28

Finding the Fourth Proportional to 16,316.88, 22,519.56 and 9,243.28

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Solution

The fourth proportional to 16,316.88, 22,519.56 and 9,243.28 is: 12,757.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,316.88 : 22,519.56 = 9,243.28 : x
  2. Step 2: Convert to fraction form
    16,316.88/22,519.56 = 9,243.28/x
  3. Step 3: Cross multiply
    16,316.88x = 22,519.56 × 9,243.28
  4. Step 4: Simplify right side
    16,316.88x = 208,154,598.56
  5. Step 5: Solve for x
    x = 208,154,598.56/16,316.88
  6. Step 6: Final answer
    x = 12,757.01

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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.