Home / 15,620.48-23,423.16-5,764.40

Finding the Fourth Proportional to 15,620.48, 23,423.16 and 5,764.40

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Solution

The fourth proportional to 15,620.48, 23,423.16 and 5,764.40 is: 8,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.48 : 23,423.16 = 5,764.40 : x
  2. Step 2: Convert to fraction form
    15,620.48/23,423.16 = 5,764.40/x
  3. Step 3: Cross multiply
    15,620.48x = 23,423.16 × 5,764.40
  4. Step 4: Simplify right side
    15,620.48x = 135,020,463.50
  5. Step 5: Solve for x
    x = 135,020,463.50/15,620.48
  6. Step 6: Final answer
    x = 8,643.81

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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.