Home / 21,801.10-32,701.66-10,107.94

Finding the Fourth Proportional to 21,801.10, 32,701.66 and 10,107.94

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Solution

The fourth proportional to 21,801.10, 32,701.66 and 10,107.94 is: 15,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801.10 : 32,701.66 = 10,107.94 : x
  2. Step 2: Convert to fraction form
    21,801.10/32,701.66 = 10,107.94/x
  3. Step 3: Cross multiply
    21,801.10x = 32,701.66 × 10,107.94
  4. Step 4: Simplify right side
    21,801.10x = 330,546,417.18
  5. Step 5: Solve for x
    x = 330,546,417.18/21,801.10
  6. Step 6: Final answer
    x = 15,161.91

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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.