Home / 11,158.93-15,394.02-6,681.84

Finding the Fourth Proportional to 11,158.93, 15,394.02 and 6,681.84

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Solution

The fourth proportional to 11,158.93, 15,394.02 and 6,681.84 is: 9,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.93 : 15,394.02 = 6,681.84 : x
  2. Step 2: Convert to fraction form
    11,158.93/15,394.02 = 6,681.84/x
  3. Step 3: Cross multiply
    11,158.93x = 15,394.02 × 6,681.84
  4. Step 4: Simplify right side
    11,158.93x = 102,860,378.60
  5. Step 5: Solve for x
    x = 102,860,378.60/11,158.93
  6. Step 6: Final answer
    x = 9,217.76

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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.