Home / 11,840.48-16,336.94-7,240.10

Finding the Fourth Proportional to 11,840.48, 16,336.94 and 7,240.10

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Solution

The fourth proportional to 11,840.48, 16,336.94 and 7,240.10 is: 9,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.48 : 16,336.94 = 7,240.10 : x
  2. Step 2: Convert to fraction form
    11,840.48/16,336.94 = 7,240.10/x
  3. Step 3: Cross multiply
    11,840.48x = 16,336.94 × 7,240.10
  4. Step 4: Simplify right side
    11,840.48x = 118,281,079.29
  5. Step 5: Solve for x
    x = 118,281,079.29/11,840.48
  6. Step 6: Final answer
    x = 9,989.55

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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.