Home / 15,852.04-21,873.48-9,137.14

Finding the Fourth Proportional to 15,852.04, 21,873.48 and 9,137.14

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Solution

The fourth proportional to 15,852.04, 21,873.48 and 9,137.14 is: 12,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852.04 : 21,873.48 = 9,137.14 : x
  2. Step 2: Convert to fraction form
    15,852.04/21,873.48 = 9,137.14/x
  3. Step 3: Cross multiply
    15,852.04x = 21,873.48 × 9,137.14
  4. Step 4: Simplify right side
    15,852.04x = 199,861,049.05
  5. Step 5: Solve for x
    x = 199,861,049.05/15,852.04
  6. Step 6: Final answer
    x = 12,607.91

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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.