Home / 9,823.56-13,554.99-5,631

Finding the Fourth Proportional to 9,823.56, 13,554.99 and 5,631

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Solution

The fourth proportional to 9,823.56, 13,554.99 and 5,631 is: 7,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,823.56 : 13,554.99 = 5,631 : x
  2. Step 2: Convert to fraction form
    9,823.56/13,554.99 = 5,631/x
  3. Step 3: Cross multiply
    9,823.56x = 13,554.99 × 5,631
  4. Step 4: Simplify right side
    9,823.56x = 76,328,148.69
  5. Step 5: Solve for x
    x = 76,328,148.69/9,823.56
  6. Step 6: Final answer
    x = 7,769.91

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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.