Home / 10,013.57-15,020.36-3,774.98

Finding the Fourth Proportional to 10,013.57, 15,020.36 and 3,774.98

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Solution

The fourth proportional to 10,013.57, 15,020.36 and 3,774.98 is: 5,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.57 : 15,020.36 = 3,774.98 : x
  2. Step 2: Convert to fraction form
    10,013.57/15,020.36 = 3,774.98/x
  3. Step 3: Cross multiply
    10,013.57x = 15,020.36 × 3,774.98
  4. Step 4: Simplify right side
    10,013.57x = 56,701,605.58
  5. Step 5: Solve for x
    x = 56,701,605.58/10,013.57
  6. Step 6: Final answer
    x = 5,662.48

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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.