Home / 22,352.04-30,845.88-12,280.68

Finding the Fourth Proportional to 22,352.04, 30,845.88 and 12,280.68

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Solution

The fourth proportional to 22,352.04, 30,845.88 and 12,280.68 is: 16,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.04 : 30,845.88 = 12,280.68 : x
  2. Step 2: Convert to fraction form
    22,352.04/30,845.88 = 12,280.68/x
  3. Step 3: Cross multiply
    22,352.04x = 30,845.88 × 12,280.68
  4. Step 4: Simplify right side
    22,352.04x = 378,808,381.60
  5. Step 5: Solve for x
    x = 378,808,381.60/22,352.04
  6. Step 6: Final answer
    x = 16,947.37

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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.