Home / 21,588.86-32,361.41-10,486.19

Finding the Fourth Proportional to 21,588.86, 32,361.41 and 10,486.19

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Solution

The fourth proportional to 21,588.86, 32,361.41 and 10,486.19 is: 15,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.86 : 32,361.41 = 10,486.19 : x
  2. Step 2: Convert to fraction form
    21,588.86/32,361.41 = 10,486.19/x
  3. Step 3: Cross multiply
    21,588.86x = 32,361.41 × 10,486.19
  4. Step 4: Simplify right side
    21,588.86x = 339,347,893.93
  5. Step 5: Solve for x
    x = 339,347,893.93/21,588.86
  6. Step 6: Final answer
    x = 15,718.66

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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.