Home / 12,356.48-18,535.26-3,591.20

Finding the Fourth Proportional to 12,356.48, 18,535.26 and 3,591.20

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Solution

The fourth proportional to 12,356.48, 18,535.26 and 3,591.20 is: 5,386.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.48 : 18,535.26 = 3,591.20 : x
  2. Step 2: Convert to fraction form
    12,356.48/18,535.26 = 3,591.20/x
  3. Step 3: Cross multiply
    12,356.48x = 18,535.26 × 3,591.20
  4. Step 4: Simplify right side
    12,356.48x = 66,563,825.71
  5. Step 5: Solve for x
    x = 66,563,825.71/12,356.48
  6. Step 6: Final answer
    x = 5,386.96

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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.