Home / 9,439.58-13,020.68-5,660.19

Finding the Fourth Proportional to 9,439.58, 13,020.68 and 5,660.19

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Solution

The fourth proportional to 9,439.58, 13,020.68 and 5,660.19 is: 7,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.58 : 13,020.68 = 5,660.19 : x
  2. Step 2: Convert to fraction form
    9,439.58/13,020.68 = 5,660.19/x
  3. Step 3: Cross multiply
    9,439.58x = 13,020.68 × 5,660.19
  4. Step 4: Simplify right side
    9,439.58x = 73,699,536.88
  5. Step 5: Solve for x
    x = 73,699,536.88/9,439.58
  6. Step 6: Final answer
    x = 7,807.50

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Half scale
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Double scale
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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.