Home / 9,429.20-13,004.52-7,203.68

Finding the Fourth Proportional to 9,429.20, 13,004.52 and 7,203.68

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Solution

The fourth proportional to 9,429.20, 13,004.52 and 7,203.68 is: 9,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.20 : 13,004.52 = 7,203.68 : x
  2. Step 2: Convert to fraction form
    9,429.20/13,004.52 = 7,203.68/x
  3. Step 3: Cross multiply
    9,429.20x = 13,004.52 × 7,203.68
  4. Step 4: Simplify right side
    9,429.20x = 93,680,400.63
  5. Step 5: Solve for x
    x = 93,680,400.63/9,429.20
  6. Step 6: Final answer
    x = 9,935.14

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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.