Home / 20,470.32-30,695.76-10,599.66

Finding the Fourth Proportional to 20,470.32, 30,695.76 and 10,599.66

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Solution

The fourth proportional to 20,470.32, 30,695.76 and 10,599.66 is: 15,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470.32 : 30,695.76 = 10,599.66 : x
  2. Step 2: Convert to fraction form
    20,470.32/30,695.76 = 10,599.66/x
  3. Step 3: Cross multiply
    20,470.32x = 30,695.76 × 10,599.66
  4. Step 4: Simplify right side
    20,470.32x = 325,364,619.44
  5. Step 5: Solve for x
    x = 325,364,619.44/20,470.32
  6. Step 6: Final answer
    x = 15,894.46

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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.