Home / 10,039.64-15,031.61-7,567.07

Finding the Fourth Proportional to 10,039.64, 15,031.61 and 7,567.07

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Solution

The fourth proportional to 10,039.64, 15,031.61 and 7,567.07 is: 11,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.64 : 15,031.61 = 7,567.07 : x
  2. Step 2: Convert to fraction form
    10,039.64/15,031.61 = 7,567.07/x
  3. Step 3: Cross multiply
    10,039.64x = 15,031.61 × 7,567.07
  4. Step 4: Simplify right side
    10,039.64x = 113,745,207.25
  5. Step 5: Solve for x
    x = 113,745,207.25/10,039.64
  6. Step 6: Final answer
    x = 11,329.61

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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.