Home / 20,614.08-30,921.04-10,223.36

Finding the Fourth Proportional to 20,614.08, 30,921.04 and 10,223.36

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Solution

The fourth proportional to 20,614.08, 30,921.04 and 10,223.36 is: 15,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.08 : 30,921.04 = 10,223.36 : x
  2. Step 2: Convert to fraction form
    20,614.08/30,921.04 = 10,223.36/x
  3. Step 3: Cross multiply
    20,614.08x = 30,921.04 × 10,223.36
  4. Step 4: Simplify right side
    20,614.08x = 316,116,923.49
  5. Step 5: Solve for x
    x = 316,116,923.49/20,614.08
  6. Step 6: Final answer
    x = 15,335.00

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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.