Home / 9,417.24-12,996.38-5,439.08

Finding the Fourth Proportional to 9,417.24, 12,996.38 and 5,439.08

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Solution

The fourth proportional to 9,417.24, 12,996.38 and 5,439.08 is: 7,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.24 : 12,996.38 = 5,439.08 : x
  2. Step 2: Convert to fraction form
    9,417.24/12,996.38 = 5,439.08/x
  3. Step 3: Cross multiply
    9,417.24x = 12,996.38 × 5,439.08
  4. Step 4: Simplify right side
    9,417.24x = 70,688,350.53
  5. Step 5: Solve for x
    x = 70,688,350.53/9,417.24
  6. Step 6: Final answer
    x = 7,506.27

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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.