Home / 15,834.06-21,849.75-9,872.46

Finding the Fourth Proportional to 15,834.06, 21,849.75 and 9,872.46

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Solution

The fourth proportional to 15,834.06, 21,849.75 and 9,872.46 is: 13,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.06 : 21,849.75 = 9,872.46 : x
  2. Step 2: Convert to fraction form
    15,834.06/21,849.75 = 9,872.46/x
  3. Step 3: Cross multiply
    15,834.06x = 21,849.75 × 9,872.46
  4. Step 4: Simplify right side
    15,834.06x = 215,710,782.89
  5. Step 5: Solve for x
    x = 215,710,782.89/15,834.06
  6. Step 6: Final answer
    x = 13,623.21

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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.