Home / 14,269.31-19,689.96-7,895.06

Finding the Fourth Proportional to 14,269.31, 19,689.96 and 7,895.06

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Solution

The fourth proportional to 14,269.31, 19,689.96 and 7,895.06 is: 10,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.31 : 19,689.96 = 7,895.06 : x
  2. Step 2: Convert to fraction form
    14,269.31/19,689.96 = 7,895.06/x
  3. Step 3: Cross multiply
    14,269.31x = 19,689.96 × 7,895.06
  4. Step 4: Simplify right side
    14,269.31x = 155,453,376.12
  5. Step 5: Solve for x
    x = 155,453,376.12/14,269.31
  6. Step 6: Final answer
    x = 10,894.25

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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.