Home / 10,006.49-15,008.70-2,986.58

Finding the Fourth Proportional to 10,006.49, 15,008.70 and 2,986.58

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Solution

The fourth proportional to 10,006.49, 15,008.70 and 2,986.58 is: 4,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.49 : 15,008.70 = 2,986.58 : x
  2. Step 2: Convert to fraction form
    10,006.49/15,008.70 = 2,986.58/x
  3. Step 3: Cross multiply
    10,006.49x = 15,008.70 × 2,986.58
  4. Step 4: Simplify right side
    10,006.49x = 44,824,683.25
  5. Step 5: Solve for x
    x = 44,824,683.25/10,006.49
  6. Step 6: Final answer
    x = 4,479.56

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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.