Home / 19,346.34-26,702.36-11,391.13

Finding the Fourth Proportional to 19,346.34, 26,702.36 and 11,391.13

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Solution

The fourth proportional to 19,346.34, 26,702.36 and 11,391.13 is: 15,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.34 : 26,702.36 = 11,391.13 : x
  2. Step 2: Convert to fraction form
    19,346.34/26,702.36 = 11,391.13/x
  3. Step 3: Cross multiply
    19,346.34x = 26,702.36 × 11,391.13
  4. Step 4: Simplify right side
    19,346.34x = 304,170,073.21
  5. Step 5: Solve for x
    x = 304,170,073.21/19,346.34
  6. Step 6: Final answer
    x = 15,722.35

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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.