Home / 11,237.70-16,836.30-5,381.40

Finding the Fourth Proportional to 11,237.70, 16,836.30 and 5,381.40

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Solution

The fourth proportional to 11,237.70, 16,836.30 and 5,381.40 is: 8,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.70 : 16,836.30 = 5,381.40 : x
  2. Step 2: Convert to fraction form
    11,237.70/16,836.30 = 5,381.40/x
  3. Step 3: Cross multiply
    11,237.70x = 16,836.30 × 5,381.40
  4. Step 4: Simplify right side
    11,237.70x = 90,602,864.82
  5. Step 5: Solve for x
    x = 90,602,864.82/11,237.70
  6. Step 6: Final answer
    x = 8,062.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.