Home / 19,999.24-30,000.59-5,208.16

Finding the Fourth Proportional to 19,999.24, 30,000.59 and 5,208.16

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Solution

The fourth proportional to 19,999.24, 30,000.59 and 5,208.16 is: 7,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.24 : 30,000.59 = 5,208.16 : x
  2. Step 2: Convert to fraction form
    19,999.24/30,000.59 = 5,208.16/x
  3. Step 3: Cross multiply
    19,999.24x = 30,000.59 × 5,208.16
  4. Step 4: Simplify right side
    19,999.24x = 156,247,872.81
  5. Step 5: Solve for x
    x = 156,247,872.81/19,999.24
  6. Step 6: Final answer
    x = 7,812.69

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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.