Home / 19,962.70-27,548.47-11,465.37

Finding the Fourth Proportional to 19,962.70, 27,548.47 and 11,465.37

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Solution

The fourth proportional to 19,962.70, 27,548.47 and 11,465.37 is: 15,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.70 : 27,548.47 = 11,465.37 : x
  2. Step 2: Convert to fraction form
    19,962.70/27,548.47 = 11,465.37/x
  3. Step 3: Cross multiply
    19,962.70x = 27,548.47 × 11,465.37
  4. Step 4: Simplify right side
    19,962.70x = 315,853,354.11
  5. Step 5: Solve for x
    x = 315,853,354.11/19,962.70
  6. Step 6: Final answer
    x = 15,822.18

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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.