Home / 9,827.40-13,561.49-5,351.11

Finding the Fourth Proportional to 9,827.40, 13,561.49 and 5,351.11

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Solution

The fourth proportional to 9,827.40, 13,561.49 and 5,351.11 is: 7,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,827.40 : 13,561.49 = 5,351.11 : x
  2. Step 2: Convert to fraction form
    9,827.40/13,561.49 = 5,351.11/x
  3. Step 3: Cross multiply
    9,827.40x = 13,561.49 × 5,351.11
  4. Step 4: Simplify right side
    9,827.40x = 72,569,072.04
  5. Step 5: Solve for x
    x = 72,569,072.04/9,827.40
  6. Step 6: Final answer
    x = 7,384.36

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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.