Home / 10,420.04-15,632.64-3,025.04

Finding the Fourth Proportional to 10,420.04, 15,632.64 and 3,025.04

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Solution

The fourth proportional to 10,420.04, 15,632.64 and 3,025.04 is: 4,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.04 : 15,632.64 = 3,025.04 : x
  2. Step 2: Convert to fraction form
    10,420.04/15,632.64 = 3,025.04/x
  3. Step 3: Cross multiply
    10,420.04x = 15,632.64 × 3,025.04
  4. Step 4: Simplify right side
    10,420.04x = 47,289,361.31
  5. Step 5: Solve for x
    x = 47,289,361.31/10,420.04
  6. Step 6: Final answer
    x = 4,538.31

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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.