Home / 14,069.80-19,418.92-9,040.31

Finding the Fourth Proportional to 14,069.80, 19,418.92 and 9,040.31

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Solution

The fourth proportional to 14,069.80, 19,418.92 and 9,040.31 is: 12,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.80 : 19,418.92 = 9,040.31 : x
  2. Step 2: Convert to fraction form
    14,069.80/19,418.92 = 9,040.31/x
  3. Step 3: Cross multiply
    14,069.80x = 19,418.92 × 9,040.31
  4. Step 4: Simplify right side
    14,069.80x = 175,553,009.79
  5. Step 5: Solve for x
    x = 175,553,009.79/14,069.80
  6. Step 6: Final answer
    x = 12,477.29

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1.5x scale

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.