Home / 10,428.95-14,396.61-6,657.11

Finding the Fourth Proportional to 10,428.95, 14,396.61 and 6,657.11

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Solution

The fourth proportional to 10,428.95, 14,396.61 and 6,657.11 is: 9,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.95 : 14,396.61 = 6,657.11 : x
  2. Step 2: Convert to fraction form
    10,428.95/14,396.61 = 6,657.11/x
  3. Step 3: Cross multiply
    10,428.95x = 14,396.61 × 6,657.11
  4. Step 4: Simplify right side
    10,428.95x = 95,839,816.40
  5. Step 5: Solve for x
    x = 95,839,816.40/10,428.95
  6. Step 6: Final answer
    x = 9,189.79

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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.