Home / 11,127.44-15,357.59-6,347.40

Finding the Fourth Proportional to 11,127.44, 15,357.59 and 6,347.40

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Solution

The fourth proportional to 11,127.44, 15,357.59 and 6,347.40 is: 8,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.44 : 15,357.59 = 6,347.40 : x
  2. Step 2: Convert to fraction form
    11,127.44/15,357.59 = 6,347.40/x
  3. Step 3: Cross multiply
    11,127.44x = 15,357.59 × 6,347.40
  4. Step 4: Simplify right side
    11,127.44x = 97,480,766.77
  5. Step 5: Solve for x
    x = 97,480,766.77/11,127.44
  6. Step 6: Final answer
    x = 8,760.39

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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.