Home / 10,988.45-15,160.33-6,207.69

Finding the Fourth Proportional to 10,988.45, 15,160.33 and 6,207.69

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Solution

The fourth proportional to 10,988.45, 15,160.33 and 6,207.69 is: 8,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.45 : 15,160.33 = 6,207.69 : x
  2. Step 2: Convert to fraction form
    10,988.45/15,160.33 = 6,207.69/x
  3. Step 3: Cross multiply
    10,988.45x = 15,160.33 × 6,207.69
  4. Step 4: Simplify right side
    10,988.45x = 94,110,628.94
  5. Step 5: Solve for x
    x = 94,110,628.94/10,988.45
  6. Step 6: Final answer
    x = 8,564.50

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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.