Home / 19,702.32-27,188.08-11,203.26

Finding the Fourth Proportional to 19,702.32, 27,188.08 and 11,203.26

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Solution

The fourth proportional to 19,702.32, 27,188.08 and 11,203.26 is: 15,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.32 : 27,188.08 = 11,203.26 : x
  2. Step 2: Convert to fraction form
    19,702.32/27,188.08 = 11,203.26/x
  3. Step 3: Cross multiply
    19,702.32x = 27,188.08 × 11,203.26
  4. Step 4: Simplify right side
    19,702.32x = 304,595,129.14
  5. Step 5: Solve for x
    x = 304,595,129.14/19,702.32
  6. Step 6: Final answer
    x = 15,459.86

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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.