Home / 9,439.04-13,039.20-7,563.08

Finding the Fourth Proportional to 9,439.04, 13,039.20 and 7,563.08

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Solution

The fourth proportional to 9,439.04, 13,039.20 and 7,563.08 is: 10,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.04 : 13,039.20 = 7,563.08 : x
  2. Step 2: Convert to fraction form
    9,439.04/13,039.20 = 7,563.08/x
  3. Step 3: Cross multiply
    9,439.04x = 13,039.20 × 7,563.08
  4. Step 4: Simplify right side
    9,439.04x = 98,616,512.74
  5. Step 5: Solve for x
    x = 98,616,512.74/9,439.04
  6. Step 6: Final answer
    x = 10,447.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.