Home / 11,328.90-15,634.08-6,293.58

Finding the Fourth Proportional to 11,328.90, 15,634.08 and 6,293.58

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Solution

The fourth proportional to 11,328.90, 15,634.08 and 6,293.58 is: 8,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.90 : 15,634.08 = 6,293.58 : x
  2. Step 2: Convert to fraction form
    11,328.90/15,634.08 = 6,293.58/x
  3. Step 3: Cross multiply
    11,328.90x = 15,634.08 × 6,293.58
  4. Step 4: Simplify right side
    11,328.90x = 98,394,274.58
  5. Step 5: Solve for x
    x = 98,394,274.58/11,328.90
  6. Step 6: Final answer
    x = 8,685.25

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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.