Home / 11,566.28-15,988.37-10,319.69

Finding the Fourth Proportional to 11,566.28, 15,988.37 and 10,319.69

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Solution

The fourth proportional to 11,566.28, 15,988.37 and 10,319.69 is: 14,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.28 : 15,988.37 = 10,319.69 : x
  2. Step 2: Convert to fraction form
    11,566.28/15,988.37 = 10,319.69/x
  3. Step 3: Cross multiply
    11,566.28x = 15,988.37 × 10,319.69
  4. Step 4: Simplify right side
    11,566.28x = 164,994,920.44
  5. Step 5: Solve for x
    x = 164,994,920.44/11,566.28
  6. Step 6: Final answer
    x = 14,265.17

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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.