Home / 11,393.04-15,722.16-6,357.60

Finding the Fourth Proportional to 11,393.04, 15,722.16 and 6,357.60

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Solution

The fourth proportional to 11,393.04, 15,722.16 and 6,357.60 is: 8,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.04 : 15,722.16 = 6,357.60 : x
  2. Step 2: Convert to fraction form
    11,393.04/15,722.16 = 6,357.60/x
  3. Step 3: Cross multiply
    11,393.04x = 15,722.16 × 6,357.60
  4. Step 4: Simplify right side
    11,393.04x = 99,955,204.42
  5. Step 5: Solve for x
    x = 99,955,204.42/11,393.04
  6. Step 6: Final answer
    x = 8,773.36

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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.