Home / 10,988.10-15,163.22-6,208.22

Finding the Fourth Proportional to 10,988.10, 15,163.22 and 6,208.22

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Solution

The fourth proportional to 10,988.10, 15,163.22 and 6,208.22 is: 8,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.10 : 15,163.22 = 6,208.22 : x
  2. Step 2: Convert to fraction form
    10,988.10/15,163.22 = 6,208.22/x
  3. Step 3: Cross multiply
    10,988.10x = 15,163.22 × 6,208.22
  4. Step 4: Simplify right side
    10,988.10x = 94,136,498.81
  5. Step 5: Solve for x
    x = 94,136,498.81/10,988.10
  6. Step 6: Final answer
    x = 8,567.13

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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.