Home / 10,003.85-15,005.17-4,160.51

Finding the Fourth Proportional to 10,003.85, 15,005.17 and 4,160.51

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Solution

The fourth proportional to 10,003.85, 15,005.17 and 4,160.51 is: 6,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.85 : 15,005.17 = 4,160.51 : x
  2. Step 2: Convert to fraction form
    10,003.85/15,005.17 = 4,160.51/x
  3. Step 3: Cross multiply
    10,003.85x = 15,005.17 × 4,160.51
  4. Step 4: Simplify right side
    10,003.85x = 62,429,159.84
  5. Step 5: Solve for x
    x = 62,429,159.84/10,003.85
  6. Step 6: Final answer
    x = 6,240.51

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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.