Home / 15,920.76-21,967.32-10,246.56

Finding the Fourth Proportional to 15,920.76, 21,967.32 and 10,246.56

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Solution

The fourth proportional to 15,920.76, 21,967.32 and 10,246.56 is: 14,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.76 : 21,967.32 = 10,246.56 : x
  2. Step 2: Convert to fraction form
    15,920.76/21,967.32 = 10,246.56/x
  3. Step 3: Cross multiply
    15,920.76x = 21,967.32 × 10,246.56
  4. Step 4: Simplify right side
    15,920.76x = 225,089,462.42
  5. Step 5: Solve for x
    x = 225,089,462.42/15,920.76
  6. Step 6: Final answer
    x = 14,138.11

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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.