Home / 22,861.38-34,260.93-12,870.89

Finding the Fourth Proportional to 22,861.38, 34,260.93 and 12,870.89

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Solution

The fourth proportional to 22,861.38, 34,260.93 and 12,870.89 is: 19,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.38 : 34,260.93 = 12,870.89 : x
  2. Step 2: Convert to fraction form
    22,861.38/34,260.93 = 12,870.89/x
  3. Step 3: Cross multiply
    22,861.38x = 34,260.93 × 12,870.89
  4. Step 4: Simplify right side
    22,861.38x = 440,968,661.33
  5. Step 5: Solve for x
    x = 440,968,661.33/22,861.38
  6. Step 6: Final answer
    x = 19,288.80

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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.