Home / 15,908.18-21,952.69-8,835.06

Finding the Fourth Proportional to 15,908.18, 21,952.69 and 8,835.06

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Solution

The fourth proportional to 15,908.18, 21,952.69 and 8,835.06 is: 12,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.18 : 21,952.69 = 8,835.06 : x
  2. Step 2: Convert to fraction form
    15,908.18/21,952.69 = 8,835.06/x
  3. Step 3: Cross multiply
    15,908.18x = 21,952.69 × 8,835.06
  4. Step 4: Simplify right side
    15,908.18x = 193,953,333.31
  5. Step 5: Solve for x
    x = 193,953,333.31/15,908.18
  6. Step 6: Final answer
    x = 12,192.05

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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.