Home / 12,584.06-17,365.55-6,918.76

Finding the Fourth Proportional to 12,584.06, 17,365.55 and 6,918.76

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Solution

The fourth proportional to 12,584.06, 17,365.55 and 6,918.76 is: 9,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.06 : 17,365.55 = 6,918.76 : x
  2. Step 2: Convert to fraction form
    12,584.06/17,365.55 = 6,918.76/x
  3. Step 3: Cross multiply
    12,584.06x = 17,365.55 × 6,918.76
  4. Step 4: Simplify right side
    12,584.06x = 120,148,093.79
  5. Step 5: Solve for x
    x = 120,148,093.79/12,584.06
  6. Step 6: Final answer
    x = 9,547.64

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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.