Home / 11,355.79-15,671.24-6,320.52

Finding the Fourth Proportional to 11,355.79, 15,671.24 and 6,320.52

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Solution

The fourth proportional to 11,355.79, 15,671.24 and 6,320.52 is: 8,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.79 : 15,671.24 = 6,320.52 : x
  2. Step 2: Convert to fraction form
    11,355.79/15,671.24 = 6,320.52/x
  3. Step 3: Cross multiply
    11,355.79x = 15,671.24 × 6,320.52
  4. Step 4: Simplify right side
    11,355.79x = 99,050,354.24
  5. Step 5: Solve for x
    x = 99,050,354.24/11,355.79
  6. Step 6: Final answer
    x = 8,722.46

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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.