Home / 15,834.07-21,850.93-8,760.34

Finding the Fourth Proportional to 15,834.07, 21,850.93 and 8,760.34

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Solution

The fourth proportional to 15,834.07, 21,850.93 and 8,760.34 is: 12,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.07 : 21,850.93 = 8,760.34 : x
  2. Step 2: Convert to fraction form
    15,834.07/21,850.93 = 8,760.34/x
  3. Step 3: Cross multiply
    15,834.07x = 21,850.93 × 8,760.34
  4. Step 4: Simplify right side
    15,834.07x = 191,421,576.12
  5. Step 5: Solve for x
    x = 191,421,576.12/15,834.07
  6. Step 6: Final answer
    x = 12,089.22

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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.