Home / 10,043.29-15,065.65-2,647.69

Finding the Fourth Proportional to 10,043.29, 15,065.65 and 2,647.69

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Solution

The fourth proportional to 10,043.29, 15,065.65 and 2,647.69 is: 3,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,043.29 : 15,065.65 = 2,647.69 : x
  2. Step 2: Convert to fraction form
    10,043.29/15,065.65 = 2,647.69/x
  3. Step 3: Cross multiply
    10,043.29x = 15,065.65 × 2,647.69
  4. Step 4: Simplify right side
    10,043.29x = 39,889,121.60
  5. Step 5: Solve for x
    x = 39,889,121.60/10,043.29
  6. Step 6: Final answer
    x = 3,971.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.