Home / 15,991.04-23,988.60-8,585.34

Finding the Fourth Proportional to 15,991.04, 23,988.60 and 8,585.34

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Solution

The fourth proportional to 15,991.04, 23,988.60 and 8,585.34 is: 12,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.04 : 23,988.60 = 8,585.34 : x
  2. Step 2: Convert to fraction form
    15,991.04/23,988.60 = 8,585.34/x
  3. Step 3: Cross multiply
    15,991.04x = 23,988.60 × 8,585.34
  4. Step 4: Simplify right side
    15,991.04x = 205,950,287.12
  5. Step 5: Solve for x
    x = 205,950,287.12/15,991.04
  6. Step 6: Final answer
    x = 12,879.11

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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.