Home / 10,905.07-15,048.99-6,125.02

Finding the Fourth Proportional to 10,905.07, 15,048.99 and 6,125.02

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Solution

The fourth proportional to 10,905.07, 15,048.99 and 6,125.02 is: 8,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.07 : 15,048.99 = 6,125.02 : x
  2. Step 2: Convert to fraction form
    10,905.07/15,048.99 = 6,125.02/x
  3. Step 3: Cross multiply
    10,905.07x = 15,048.99 × 6,125.02
  4. Step 4: Simplify right side
    10,905.07x = 92,175,364.73
  5. Step 5: Solve for x
    x = 92,175,364.73/10,905.07
  6. Step 6: Final answer
    x = 8,452.52

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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.