Home / 10,867.35-16,271.82-6,897.11

Finding the Fourth Proportional to 10,867.35, 16,271.82 and 6,897.11

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Solution

The fourth proportional to 10,867.35, 16,271.82 and 6,897.11 is: 10,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.35 : 16,271.82 = 6,897.11 : x
  2. Step 2: Convert to fraction form
    10,867.35/16,271.82 = 6,897.11/x
  3. Step 3: Cross multiply
    10,867.35x = 16,271.82 × 6,897.11
  4. Step 4: Simplify right side
    10,867.35x = 112,228,573.12
  5. Step 5: Solve for x
    x = 112,228,573.12/10,867.35
  6. Step 6: Final answer
    x = 10,327.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.