Home / 13,324.23-18,387.59-7,355.91

Finding the Fourth Proportional to 13,324.23, 18,387.59 and 7,355.91

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Solution

The fourth proportional to 13,324.23, 18,387.59 and 7,355.91 is: 10,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.23 : 18,387.59 = 7,355.91 : x
  2. Step 2: Convert to fraction form
    13,324.23/18,387.59 = 7,355.91/x
  3. Step 3: Cross multiply
    13,324.23x = 18,387.59 × 7,355.91
  4. Step 4: Simplify right side
    13,324.23x = 135,257,457.16
  5. Step 5: Solve for x
    x = 135,257,457.16/13,324.23
  6. Step 6: Final answer
    x = 10,151.24

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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.