Home / 11,036.40-16,530.30-9,805.20

Finding the Fourth Proportional to 11,036.40, 16,530.30 and 9,805.20

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Solution

The fourth proportional to 11,036.40, 16,530.30 and 9,805.20 is: 14,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.40 : 16,530.30 = 9,805.20 : x
  2. Step 2: Convert to fraction form
    11,036.40/16,530.30 = 9,805.20/x
  3. Step 3: Cross multiply
    11,036.40x = 16,530.30 × 9,805.20
  4. Step 4: Simplify right side
    11,036.40x = 162,082,897.56
  5. Step 5: Solve for x
    x = 162,082,897.56/11,036.40
  6. Step 6: Final answer
    x = 14,686.21

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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.