Home / 10,013.18-13,817.84-5,763.65

Finding the Fourth Proportional to 10,013.18, 13,817.84 and 5,763.65

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Solution

The fourth proportional to 10,013.18, 13,817.84 and 5,763.65 is: 7,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.18 : 13,817.84 = 5,763.65 : x
  2. Step 2: Convert to fraction form
    10,013.18/13,817.84 = 5,763.65/x
  3. Step 3: Cross multiply
    10,013.18x = 13,817.84 × 5,763.65
  4. Step 4: Simplify right side
    10,013.18x = 79,641,138.84
  5. Step 5: Solve for x
    x = 79,641,138.84/10,013.18
  6. Step 6: Final answer
    x = 7,953.63

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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.