Home / 10,619.17-15,916.30-4,376.09

Finding the Fourth Proportional to 10,619.17, 15,916.30 and 4,376.09

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Solution

The fourth proportional to 10,619.17, 15,916.30 and 4,376.09 is: 6,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.17 : 15,916.30 = 4,376.09 : x
  2. Step 2: Convert to fraction form
    10,619.17/15,916.30 = 4,376.09/x
  3. Step 3: Cross multiply
    10,619.17x = 15,916.30 × 4,376.09
  4. Step 4: Simplify right side
    10,619.17x = 69,651,190.12
  5. Step 5: Solve for x
    x = 69,651,190.12/10,619.17
  6. Step 6: Final answer
    x = 6,559.01

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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.