Home / 11,612.06-16,036.77-9,602.75

Finding the Fourth Proportional to 11,612.06, 16,036.77 and 9,602.75

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Solution

The fourth proportional to 11,612.06, 16,036.77 and 9,602.75 is: 13,261.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.06 : 16,036.77 = 9,602.75 : x
  2. Step 2: Convert to fraction form
    11,612.06/16,036.77 = 9,602.75/x
  3. Step 3: Cross multiply
    11,612.06x = 16,036.77 × 9,602.75
  4. Step 4: Simplify right side
    11,612.06x = 153,997,012.93
  5. Step 5: Solve for x
    x = 153,997,012.93/11,612.06
  6. Step 6: Final answer
    x = 13,261.82

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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.