Home / 23,280.04-34,920.12-12,189.96

Finding the Fourth Proportional to 23,280.04, 34,920.12 and 12,189.96

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Solution

The fourth proportional to 23,280.04, 34,920.12 and 12,189.96 is: 18,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.04 : 34,920.12 = 12,189.96 : x
  2. Step 2: Convert to fraction form
    23,280.04/34,920.12 = 12,189.96/x
  3. Step 3: Cross multiply
    23,280.04x = 34,920.12 × 12,189.96
  4. Step 4: Simplify right side
    23,280.04x = 425,674,866.00
  5. Step 5: Solve for x
    x = 425,674,866.00/23,280.04
  6. Step 6: Final answer
    x = 18,284.97

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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.