Home / 9,827.11-13,561.40-5,350.89

Finding the Fourth Proportional to 9,827.11, 13,561.40 and 5,350.89

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Solution

The fourth proportional to 9,827.11, 13,561.40 and 5,350.89 is: 7,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,827.11 : 13,561.40 = 5,350.89 : x
  2. Step 2: Convert to fraction form
    9,827.11/13,561.40 = 5,350.89/x
  3. Step 3: Cross multiply
    9,827.11x = 13,561.40 × 5,350.89
  4. Step 4: Simplify right side
    9,827.11x = 72,565,494.40
  5. Step 5: Solve for x
    x = 72,565,494.40/9,827.11
  6. Step 6: Final answer
    x = 7,384.21

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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.