Home / 10,926.18-16,390.35-7,465.86

Finding the Fourth Proportional to 10,926.18, 16,390.35 and 7,465.86

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Solution

The fourth proportional to 10,926.18, 16,390.35 and 7,465.86 is: 11,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.18 : 16,390.35 = 7,465.86 : x
  2. Step 2: Convert to fraction form
    10,926.18/16,390.35 = 7,465.86/x
  3. Step 3: Cross multiply
    10,926.18x = 16,390.35 × 7,465.86
  4. Step 4: Simplify right side
    10,926.18x = 122,368,058.45
  5. Step 5: Solve for x
    x = 122,368,058.45/10,926.18
  6. Step 6: Final answer
    x = 11,199.53

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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.