Home / 15,829.46-21,844.80-8,756.12

Finding the Fourth Proportional to 15,829.46, 21,844.80 and 8,756.12

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Solution

The fourth proportional to 15,829.46, 21,844.80 and 8,756.12 is: 12,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.46 : 21,844.80 = 8,756.12 : x
  2. Step 2: Convert to fraction form
    15,829.46/21,844.80 = 8,756.12/x
  3. Step 3: Cross multiply
    15,829.46x = 21,844.80 × 8,756.12
  4. Step 4: Simplify right side
    15,829.46x = 191,275,690.18
  5. Step 5: Solve for x
    x = 191,275,690.18/15,829.46
  6. Step 6: Final answer
    x = 12,083.53

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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.