Home / 9,759.84-13,465.08-5,565.66

Finding the Fourth Proportional to 9,759.84, 13,465.08 and 5,565.66

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Solution

The fourth proportional to 9,759.84, 13,465.08 and 5,565.66 is: 7,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759.84 : 13,465.08 = 5,565.66 : x
  2. Step 2: Convert to fraction form
    9,759.84/13,465.08 = 5,565.66/x
  3. Step 3: Cross multiply
    9,759.84x = 13,465.08 × 5,565.66
  4. Step 4: Simplify right side
    9,759.84x = 74,942,057.15
  5. Step 5: Solve for x
    x = 74,942,057.15/9,759.84
  6. Step 6: Final answer
    x = 7,678.62

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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.