Home / 21,647.18-32,462.93-9,168.07

Finding the Fourth Proportional to 21,647.18, 32,462.93 and 9,168.07

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Solution

The fourth proportional to 21,647.18, 32,462.93 and 9,168.07 is: 13,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.18 : 32,462.93 = 9,168.07 : x
  2. Step 2: Convert to fraction form
    21,647.18/32,462.93 = 9,168.07/x
  3. Step 3: Cross multiply
    21,647.18x = 32,462.93 × 9,168.07
  4. Step 4: Simplify right side
    21,647.18x = 297,622,365.71
  5. Step 5: Solve for x
    x = 297,622,365.71/21,647.18
  6. Step 6: Final answer
    x = 13,748.78

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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.