Home / 10,271.72-15,408.53-4,726.60

Finding the Fourth Proportional to 10,271.72, 15,408.53 and 4,726.60

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Solution

The fourth proportional to 10,271.72, 15,408.53 and 4,726.60 is: 7,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.72 : 15,408.53 = 4,726.60 : x
  2. Step 2: Convert to fraction form
    10,271.72/15,408.53 = 4,726.60/x
  3. Step 3: Cross multiply
    10,271.72x = 15,408.53 × 4,726.60
  4. Step 4: Simplify right side
    10,271.72x = 72,829,957.90
  5. Step 5: Solve for x
    x = 72,829,957.90/10,271.72
  6. Step 6: Final answer
    x = 7,090.34

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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.