Home / 15,402.57-23,089.86-7,998.36

Finding the Fourth Proportional to 15,402.57, 23,089.86 and 7,998.36

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Solution

The fourth proportional to 15,402.57, 23,089.86 and 7,998.36 is: 11,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.57 : 23,089.86 = 7,998.36 : x
  2. Step 2: Convert to fraction form
    15,402.57/23,089.86 = 7,998.36/x
  3. Step 3: Cross multiply
    15,402.57x = 23,089.86 × 7,998.36
  4. Step 4: Simplify right side
    15,402.57x = 184,681,012.63
  5. Step 5: Solve for x
    x = 184,681,012.63/15,402.57
  6. Step 6: Final answer
    x = 11,990.27

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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.