Home / 9,888.30-13,640.06-5,853.74

Finding the Fourth Proportional to 9,888.30, 13,640.06 and 5,853.74

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Solution

The fourth proportional to 9,888.30, 13,640.06 and 5,853.74 is: 8,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.30 : 13,640.06 = 5,853.74 : x
  2. Step 2: Convert to fraction form
    9,888.30/13,640.06 = 5,853.74/x
  3. Step 3: Cross multiply
    9,888.30x = 13,640.06 × 5,853.74
  4. Step 4: Simplify right side
    9,888.30x = 79,845,311.26
  5. Step 5: Solve for x
    x = 79,845,311.26/9,888.30
  6. Step 6: Final answer
    x = 8,074.73

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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.