Home / 15,681.12-23,521.32-3,994.26

Finding the Fourth Proportional to 15,681.12, 23,521.32 and 3,994.26

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Solution

The fourth proportional to 15,681.12, 23,521.32 and 3,994.26 is: 5,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.12 : 23,521.32 = 3,994.26 : x
  2. Step 2: Convert to fraction form
    15,681.12/23,521.32 = 3,994.26/x
  3. Step 3: Cross multiply
    15,681.12x = 23,521.32 × 3,994.26
  4. Step 4: Simplify right side
    15,681.12x = 93,950,267.62
  5. Step 5: Solve for x
    x = 93,950,267.62/15,681.12
  6. Step 6: Final answer
    x = 5,991.30

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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.