Home / 19,663.56-29,427.48-12,164.04

Finding the Fourth Proportional to 19,663.56, 29,427.48 and 12,164.04

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Solution

The fourth proportional to 19,663.56, 29,427.48 and 12,164.04 is: 18,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.56 : 29,427.48 = 12,164.04 : x
  2. Step 2: Convert to fraction form
    19,663.56/29,427.48 = 12,164.04/x
  3. Step 3: Cross multiply
    19,663.56x = 29,427.48 × 12,164.04
  4. Step 4: Simplify right side
    19,663.56x = 357,957,043.82
  5. Step 5: Solve for x
    x = 357,957,043.82/19,663.56
  6. Step 6: Final answer
    x = 18,204.08

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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.