Home / 10,288.46-15,420.30-4,734.14

Finding the Fourth Proportional to 10,288.46, 15,420.30 and 4,734.14

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Solution

The fourth proportional to 10,288.46, 15,420.30 and 4,734.14 is: 7,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.46 : 15,420.30 = 4,734.14 : x
  2. Step 2: Convert to fraction form
    10,288.46/15,420.30 = 4,734.14/x
  3. Step 3: Cross multiply
    10,288.46x = 15,420.30 × 4,734.14
  4. Step 4: Simplify right side
    10,288.46x = 73,001,859.04
  5. Step 5: Solve for x
    x = 73,001,859.04/10,288.46
  6. Step 6: Final answer
    x = 7,095.51

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1.5x scale

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.