Home / 11,356.10-15,671.58-6,320.53

Finding the Fourth Proportional to 11,356.10, 15,671.58 and 6,320.53

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Solution

The fourth proportional to 11,356.10, 15,671.58 and 6,320.53 is: 8,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.10 : 15,671.58 = 6,320.53 : x
  2. Step 2: Convert to fraction form
    11,356.10/15,671.58 = 6,320.53/x
  3. Step 3: Cross multiply
    11,356.10x = 15,671.58 × 6,320.53
  4. Step 4: Simplify right side
    11,356.10x = 99,052,687.42
  5. Step 5: Solve for x
    x = 99,052,687.42/11,356.10
  6. Step 6: Final answer
    x = 8,722.42

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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.