Home / 15,846.51-21,867.19-9,299.91

Finding the Fourth Proportional to 15,846.51, 21,867.19 and 9,299.91

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Solution

The fourth proportional to 15,846.51, 21,867.19 and 9,299.91 is: 12,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846.51 : 21,867.19 = 9,299.91 : x
  2. Step 2: Convert to fraction form
    15,846.51/21,867.19 = 9,299.91/x
  3. Step 3: Cross multiply
    15,846.51x = 21,867.19 × 9,299.91
  4. Step 4: Simplify right side
    15,846.51x = 203,362,898.95
  5. Step 5: Solve for x
    x = 203,362,898.95/15,846.51
  6. Step 6: Final answer
    x = 12,833.29

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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.