Home / 11,125.13-16,686.45-2,805.14

Finding the Fourth Proportional to 11,125.13, 16,686.45 and 2,805.14

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Solution

The fourth proportional to 11,125.13, 16,686.45 and 2,805.14 is: 4,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.13 : 16,686.45 = 2,805.14 : x
  2. Step 2: Convert to fraction form
    11,125.13/16,686.45 = 2,805.14/x
  3. Step 3: Cross multiply
    11,125.13x = 16,686.45 × 2,805.14
  4. Step 4: Simplify right side
    11,125.13x = 46,807,870.07
  5. Step 5: Solve for x
    x = 46,807,870.07/11,125.13
  6. Step 6: Final answer
    x = 4,207.40

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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.