Home / 9,809.24-13,542.33-6,461.78

Finding the Fourth Proportional to 9,809.24, 13,542.33 and 6,461.78

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Solution

The fourth proportional to 9,809.24, 13,542.33 and 6,461.78 is: 8,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.24 : 13,542.33 = 6,461.78 : x
  2. Step 2: Convert to fraction form
    9,809.24/13,542.33 = 6,461.78/x
  3. Step 3: Cross multiply
    9,809.24x = 13,542.33 × 6,461.78
  4. Step 4: Simplify right side
    9,809.24x = 87,507,557.15
  5. Step 5: Solve for x
    x = 87,507,557.15/9,809.24
  6. Step 6: Final answer
    x = 8,920.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.