Home / 19,654.36-27,123.32-11,156.24

Finding the Fourth Proportional to 19,654.36, 27,123.32 and 11,156.24

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Solution

The fourth proportional to 19,654.36, 27,123.32 and 11,156.24 is: 15,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.36 : 27,123.32 = 11,156.24 : x
  2. Step 2: Convert to fraction form
    19,654.36/27,123.32 = 11,156.24/x
  3. Step 3: Cross multiply
    19,654.36x = 27,123.32 × 11,156.24
  4. Step 4: Simplify right side
    19,654.36x = 302,594,267.52
  5. Step 5: Solve for x
    x = 302,594,267.52/19,654.36
  6. Step 6: Final answer
    x = 15,395.78

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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.