Home / 15,094.08-20,831.04-10,380.96

Finding the Fourth Proportional to 15,094.08, 20,831.04 and 10,380.96

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Solution

The fourth proportional to 15,094.08, 20,831.04 and 10,380.96 is: 14,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.08 : 20,831.04 = 10,380.96 : x
  2. Step 2: Convert to fraction form
    15,094.08/20,831.04 = 10,380.96/x
  3. Step 3: Cross multiply
    15,094.08x = 20,831.04 × 10,380.96
  4. Step 4: Simplify right side
    15,094.08x = 216,246,193.00
  5. Step 5: Solve for x
    x = 216,246,193.00/15,094.08
  6. Step 6: Final answer
    x = 14,326.56

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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.