Home / 15,927.36-21,977.10-8,852.82

Finding the Fourth Proportional to 15,927.36, 21,977.10 and 8,852.82

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Solution

The fourth proportional to 15,927.36, 21,977.10 and 8,852.82 is: 12,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,927.36 : 21,977.10 = 8,852.82 : x
  2. Step 2: Convert to fraction form
    15,927.36/21,977.10 = 8,852.82/x
  3. Step 3: Cross multiply
    15,927.36x = 21,977.10 × 8,852.82
  4. Step 4: Simplify right side
    15,927.36x = 194,559,310.42
  5. Step 5: Solve for x
    x = 194,559,310.42/15,927.36
  6. Step 6: Final answer
    x = 12,215.41

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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.