Home / 12,584.39-17,365.57-6,919.00

Finding the Fourth Proportional to 12,584.39, 17,365.57 and 6,919.00

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Solution

The fourth proportional to 12,584.39, 17,365.57 and 6,919.00 is: 9,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.39 : 17,365.57 = 6,919.00 : x
  2. Step 2: Convert to fraction form
    12,584.39/17,365.57 = 6,919.00/x
  3. Step 3: Cross multiply
    12,584.39x = 17,365.57 × 6,919.00
  4. Step 4: Simplify right side
    12,584.39x = 120,152,318.12
  5. Step 5: Solve for x
    x = 120,152,318.12/12,584.39
  6. Step 6: Final answer
    x = 9,547.72

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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.