Home / 15,834.61-21,852.41-8,760.91

Finding the Fourth Proportional to 15,834.61, 21,852.41 and 8,760.91

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Solution

The fourth proportional to 15,834.61, 21,852.41 and 8,760.91 is: 12,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.61 : 21,852.41 = 8,760.91 : x
  2. Step 2: Convert to fraction form
    15,834.61/21,852.41 = 8,760.91/x
  3. Step 3: Cross multiply
    15,834.61x = 21,852.41 × 8,760.91
  4. Step 4: Simplify right side
    15,834.61x = 191,446,997.29
  5. Step 5: Solve for x
    x = 191,446,997.29/15,834.61
  6. Step 6: Final answer
    x = 12,090.41

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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.