Home / 9,508.04-13,120.80-5,316.32

Finding the Fourth Proportional to 9,508.04, 13,120.80 and 5,316.32

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Solution

The fourth proportional to 9,508.04, 13,120.80 and 5,316.32 is: 7,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.04 : 13,120.80 = 5,316.32 : x
  2. Step 2: Convert to fraction form
    9,508.04/13,120.80 = 5,316.32/x
  3. Step 3: Cross multiply
    9,508.04x = 13,120.80 × 5,316.32
  4. Step 4: Simplify right side
    9,508.04x = 69,754,371.46
  5. Step 5: Solve for x
    x = 69,754,371.46/9,508.04
  6. Step 6: Final answer
    x = 7,336.36

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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.