Home / 10,356.30-15,525.18-4,509.72

Finding the Fourth Proportional to 10,356.30, 15,525.18 and 4,509.72

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Solution

The fourth proportional to 10,356.30, 15,525.18 and 4,509.72 is: 6,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.30 : 15,525.18 = 4,509.72 : x
  2. Step 2: Convert to fraction form
    10,356.30/15,525.18 = 4,509.72/x
  3. Step 3: Cross multiply
    10,356.30x = 15,525.18 × 4,509.72
  4. Step 4: Simplify right side
    10,356.30x = 70,014,214.75
  5. Step 5: Solve for x
    x = 70,014,214.75/10,356.30
  6. Step 6: Final answer
    x = 6,760.54

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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.