Home / 19,654.74-27,124.12-11,156.69

Finding the Fourth Proportional to 19,654.74, 27,124.12 and 11,156.69

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Solution

The fourth proportional to 19,654.74, 27,124.12 and 11,156.69 is: 15,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.74 : 27,124.12 = 11,156.69 : x
  2. Step 2: Convert to fraction form
    19,654.74/27,124.12 = 11,156.69/x
  3. Step 3: Cross multiply
    19,654.74x = 27,124.12 × 11,156.69
  4. Step 4: Simplify right side
    19,654.74x = 302,615,398.36
  5. Step 5: Solve for x
    x = 302,615,398.36/19,654.74
  6. Step 6: Final answer
    x = 15,396.56

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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.