Home / 11,394.84-15,725.64-8,038.80

Finding the Fourth Proportional to 11,394.84, 15,725.64 and 8,038.80

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Solution

The fourth proportional to 11,394.84, 15,725.64 and 8,038.80 is: 11,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.84 : 15,725.64 = 8,038.80 : x
  2. Step 2: Convert to fraction form
    11,394.84/15,725.64 = 8,038.80/x
  3. Step 3: Cross multiply
    11,394.84x = 15,725.64 × 8,038.80
  4. Step 4: Simplify right side
    11,394.84x = 126,415,274.83
  5. Step 5: Solve for x
    x = 126,415,274.83/11,394.84
  6. Step 6: Final answer
    x = 11,094.08

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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.