Home / 11,542.40-15,927.64-6,506.36

Finding the Fourth Proportional to 11,542.40, 15,927.64 and 6,506.36

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Solution

The fourth proportional to 11,542.40, 15,927.64 and 6,506.36 is: 8,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.40 : 15,927.64 = 6,506.36 : x
  2. Step 2: Convert to fraction form
    11,542.40/15,927.64 = 6,506.36/x
  3. Step 3: Cross multiply
    11,542.40x = 15,927.64 × 6,506.36
  4. Step 4: Simplify right side
    11,542.40x = 103,630,959.79
  5. Step 5: Solve for x
    x = 103,630,959.79/11,542.40
  6. Step 6: Final answer
    x = 8,978.29

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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.