Home / 14,777.07-20,381.92-8,804.13

Finding the Fourth Proportional to 14,777.07, 20,381.92 and 8,804.13

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Solution

The fourth proportional to 14,777.07, 20,381.92 and 8,804.13 is: 12,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.07 : 20,381.92 = 8,804.13 : x
  2. Step 2: Convert to fraction form
    14,777.07/20,381.92 = 8,804.13/x
  3. Step 3: Cross multiply
    14,777.07x = 20,381.92 × 8,804.13
  4. Step 4: Simplify right side
    14,777.07x = 179,445,073.33
  5. Step 5: Solve for x
    x = 179,445,073.33/14,777.07
  6. Step 6: Final answer
    x = 12,143.48

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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.