Home / 10,288.89-15,420.95-4,734.63

Finding the Fourth Proportional to 10,288.89, 15,420.95 and 4,734.63

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Solution

The fourth proportional to 10,288.89, 15,420.95 and 4,734.63 is: 7,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.89 : 15,420.95 = 4,734.63 : x
  2. Step 2: Convert to fraction form
    10,288.89/15,420.95 = 4,734.63/x
  3. Step 3: Cross multiply
    10,288.89x = 15,420.95 × 4,734.63
  4. Step 4: Simplify right side
    10,288.89x = 73,012,468.83
  5. Step 5: Solve for x
    x = 73,012,468.83/10,288.89
  6. Step 6: Final answer
    x = 7,096.24

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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.