Home / 15,181.74-20,909.07-14,015.34

Finding the Fourth Proportional to 15,181.74, 20,909.07 and 14,015.34

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Solution

The fourth proportional to 15,181.74, 20,909.07 and 14,015.34 is: 19,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.74 : 20,909.07 = 14,015.34 : x
  2. Step 2: Convert to fraction form
    15,181.74/20,909.07 = 14,015.34/x
  3. Step 3: Cross multiply
    15,181.74x = 20,909.07 × 14,015.34
  4. Step 4: Simplify right side
    15,181.74x = 293,047,725.13
  5. Step 5: Solve for x
    x = 293,047,725.13/15,181.74
  6. Step 6: Final answer
    x = 19,302.64

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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.