Home / 9,420.57-14,129.04-2,845.23

Finding the Fourth Proportional to 9,420.57, 14,129.04 and 2,845.23

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Solution

The fourth proportional to 9,420.57, 14,129.04 and 2,845.23 is: 4,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.57 : 14,129.04 = 2,845.23 : x
  2. Step 2: Convert to fraction form
    9,420.57/14,129.04 = 2,845.23/x
  3. Step 3: Cross multiply
    9,420.57x = 14,129.04 × 2,845.23
  4. Step 4: Simplify right side
    9,420.57x = 40,200,368.48
  5. Step 5: Solve for x
    x = 40,200,368.48/9,420.57
  6. Step 6: Final answer
    x = 4,267.30

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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.