Home / 19,427.45-29,141.16-12,852.11

Finding the Fourth Proportional to 19,427.45, 29,141.16 and 12,852.11

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Solution

The fourth proportional to 19,427.45, 29,141.16 and 12,852.11 is: 19,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.45 : 29,141.16 = 12,852.11 : x
  2. Step 2: Convert to fraction form
    19,427.45/29,141.16 = 12,852.11/x
  3. Step 3: Cross multiply
    19,427.45x = 29,141.16 × 12,852.11
  4. Step 4: Simplify right side
    19,427.45x = 374,525,248.14
  5. Step 5: Solve for x
    x = 374,525,248.14/19,427.45
  6. Step 6: Final answer
    x = 19,278.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.