Home / 11,315.71-16,968.08-6,637.25

Finding the Fourth Proportional to 11,315.71, 16,968.08 and 6,637.25

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Solution

The fourth proportional to 11,315.71, 16,968.08 and 6,637.25 is: 9,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.71 : 16,968.08 = 6,637.25 : x
  2. Step 2: Convert to fraction form
    11,315.71/16,968.08 = 6,637.25/x
  3. Step 3: Cross multiply
    11,315.71x = 16,968.08 × 6,637.25
  4. Step 4: Simplify right side
    11,315.71x = 112,621,270.95
  5. Step 5: Solve for x
    x = 112,621,270.95/11,315.71
  6. Step 6: Final answer
    x = 9,952.65

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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.