Home / 10,300.02-15,438.13-4,741.71

Finding the Fourth Proportional to 10,300.02, 15,438.13 and 4,741.71

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Solution

The fourth proportional to 10,300.02, 15,438.13 and 4,741.71 is: 7,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.02 : 15,438.13 = 4,741.71 : x
  2. Step 2: Convert to fraction form
    10,300.02/15,438.13 = 4,741.71/x
  3. Step 3: Cross multiply
    10,300.02x = 15,438.13 × 4,741.71
  4. Step 4: Simplify right side
    10,300.02x = 73,203,135.40
  5. Step 5: Solve for x
    x = 73,203,135.40/10,300.02
  6. Step 6: Final answer
    x = 7,107.09

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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.