Home / 10,405.61-14,357.87-6,154.56

Finding the Fourth Proportional to 10,405.61, 14,357.87 and 6,154.56

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Solution

The fourth proportional to 10,405.61, 14,357.87 and 6,154.56 is: 8,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.61 : 14,357.87 = 6,154.56 : x
  2. Step 2: Convert to fraction form
    10,405.61/14,357.87 = 6,154.56/x
  3. Step 3: Cross multiply
    10,405.61x = 14,357.87 × 6,154.56
  4. Step 4: Simplify right side
    10,405.61x = 88,366,315.98
  5. Step 5: Solve for x
    x = 88,366,315.98/10,405.61
  6. Step 6: Final answer
    x = 8,492.18

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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.