Home / 13,947.16-19,241.51-8,910.08

Finding the Fourth Proportional to 13,947.16, 19,241.51 and 8,910.08

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Solution

The fourth proportional to 13,947.16, 19,241.51 and 8,910.08 is: 12,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.16 : 19,241.51 = 8,910.08 : x
  2. Step 2: Convert to fraction form
    13,947.16/19,241.51 = 8,910.08/x
  3. Step 3: Cross multiply
    13,947.16x = 19,241.51 × 8,910.08
  4. Step 4: Simplify right side
    13,947.16x = 171,443,297.21
  5. Step 5: Solve for x
    x = 171,443,297.21/13,947.16
  6. Step 6: Final answer
    x = 12,292.34

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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.