Home / 10,139.04-15,203.70-4,292.46

Finding the Fourth Proportional to 10,139.04, 15,203.70 and 4,292.46

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Solution

The fourth proportional to 10,139.04, 15,203.70 and 4,292.46 is: 6,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.04 : 15,203.70 = 4,292.46 : x
  2. Step 2: Convert to fraction form
    10,139.04/15,203.70 = 4,292.46/x
  3. Step 3: Cross multiply
    10,139.04x = 15,203.70 × 4,292.46
  4. Step 4: Simplify right side
    10,139.04x = 65,261,274.10
  5. Step 5: Solve for x
    x = 65,261,274.10/10,139.04
  6. Step 6: Final answer
    x = 6,436.63

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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.