Home / 11,118.60-15,262.02-9,831.51

Finding the Fourth Proportional to 11,118.60, 15,262.02 and 9,831.51

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Solution

The fourth proportional to 11,118.60, 15,262.02 and 9,831.51 is: 13,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.60 : 15,262.02 = 9,831.51 : x
  2. Step 2: Convert to fraction form
    11,118.60/15,262.02 = 9,831.51/x
  3. Step 3: Cross multiply
    11,118.60x = 15,262.02 × 9,831.51
  4. Step 4: Simplify right side
    11,118.60x = 150,048,702.25
  5. Step 5: Solve for x
    x = 150,048,702.25/11,118.60
  6. Step 6: Final answer
    x = 13,495.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.