Home / 13,042.31-19,563.47-6,116.81

Finding the Fourth Proportional to 13,042.31, 19,563.47 and 6,116.81

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Solution

The fourth proportional to 13,042.31, 19,563.47 and 6,116.81 is: 9,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.31 : 19,563.47 = 6,116.81 : x
  2. Step 2: Convert to fraction form
    13,042.31/19,563.47 = 6,116.81/x
  3. Step 3: Cross multiply
    13,042.31x = 19,563.47 × 6,116.81
  4. Step 4: Simplify right side
    13,042.31x = 119,666,093.13
  5. Step 5: Solve for x
    x = 119,666,093.13/13,042.31
  6. Step 6: Final answer
    x = 9,175.22

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1.5x scale

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.