Home / 20,208.28-30,312.48-7,060.65

Finding the Fourth Proportional to 20,208.28, 30,312.48 and 7,060.65

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Solution

The fourth proportional to 20,208.28, 30,312.48 and 7,060.65 is: 10,591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.28 : 30,312.48 = 7,060.65 : x
  2. Step 2: Convert to fraction form
    20,208.28/30,312.48 = 7,060.65/x
  3. Step 3: Cross multiply
    20,208.28x = 30,312.48 × 7,060.65
  4. Step 4: Simplify right side
    20,208.28x = 214,025,811.91
  5. Step 5: Solve for x
    x = 214,025,811.91/20,208.28
  6. Step 6: Final answer
    x = 10,591.00

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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.