Home / 10,071.21-13,902.15-6,712.80

Finding the Fourth Proportional to 10,071.21, 13,902.15 and 6,712.80

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Solution

The fourth proportional to 10,071.21, 13,902.15 and 6,712.80 is: 9,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.21 : 13,902.15 = 6,712.80 : x
  2. Step 2: Convert to fraction form
    10,071.21/13,902.15 = 6,712.80/x
  3. Step 3: Cross multiply
    10,071.21x = 13,902.15 × 6,712.80
  4. Step 4: Simplify right side
    10,071.21x = 93,322,352.52
  5. Step 5: Solve for x
    x = 93,322,352.52/10,071.21
  6. Step 6: Final answer
    x = 9,266.25

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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.