Home / 10,420.34-15,627.24-3,025.31

Finding the Fourth Proportional to 10,420.34, 15,627.24 and 3,025.31

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Solution

The fourth proportional to 10,420.34, 15,627.24 and 3,025.31 is: 4,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.34 : 15,627.24 = 3,025.31 : x
  2. Step 2: Convert to fraction form
    10,420.34/15,627.24 = 3,025.31/x
  3. Step 3: Cross multiply
    10,420.34x = 15,627.24 × 3,025.31
  4. Step 4: Simplify right side
    10,420.34x = 47,277,167.31
  5. Step 5: Solve for x
    x = 47,277,167.31/10,420.34
  6. Step 6: Final answer
    x = 4,537.01

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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.