Home / 10,219.43-15,332.79-5,840.57

Finding the Fourth Proportional to 10,219.43, 15,332.79 and 5,840.57

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Solution

The fourth proportional to 10,219.43, 15,332.79 and 5,840.57 is: 8,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.43 : 15,332.79 = 5,840.57 : x
  2. Step 2: Convert to fraction form
    10,219.43/15,332.79 = 5,840.57/x
  3. Step 3: Cross multiply
    10,219.43x = 15,332.79 × 5,840.57
  4. Step 4: Simplify right side
    10,219.43x = 89,552,233.29
  5. Step 5: Solve for x
    x = 89,552,233.29/10,219.43
  6. Step 6: Final answer
    x = 8,762.94

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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.