Home / 11,833.70-16,331.02-6,528.20

Finding the Fourth Proportional to 11,833.70, 16,331.02 and 6,528.20

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Solution

The fourth proportional to 11,833.70, 16,331.02 and 6,528.20 is: 9,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.70 : 16,331.02 = 6,528.20 : x
  2. Step 2: Convert to fraction form
    11,833.70/16,331.02 = 6,528.20/x
  3. Step 3: Cross multiply
    11,833.70x = 16,331.02 × 6,528.20
  4. Step 4: Simplify right side
    11,833.70x = 106,612,066.79
  5. Step 5: Solve for x
    x = 106,612,066.79/11,833.70
  6. Step 6: Final answer
    x = 9,009.20

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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.