Home / 19,705.60-27,193.36-10,752.87

Finding the Fourth Proportional to 19,705.60, 27,193.36 and 10,752.87

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Solution

The fourth proportional to 19,705.60, 27,193.36 and 10,752.87 is: 14,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.60 : 27,193.36 = 10,752.87 : x
  2. Step 2: Convert to fraction form
    19,705.60/27,193.36 = 10,752.87/x
  3. Step 3: Cross multiply
    19,705.60x = 27,193.36 × 10,752.87
  4. Step 4: Simplify right side
    19,705.60x = 292,406,611.18
  5. Step 5: Solve for x
    x = 292,406,611.18/19,705.60
  6. Step 6: Final answer
    x = 14,838.76

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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.