Home / 13,332.08-18,398.64-7,363.40

Finding the Fourth Proportional to 13,332.08, 18,398.64 and 7,363.40

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Solution

The fourth proportional to 13,332.08, 18,398.64 and 7,363.40 is: 10,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.08 : 18,398.64 = 7,363.40 : x
  2. Step 2: Convert to fraction form
    13,332.08/18,398.64 = 7,363.40/x
  3. Step 3: Cross multiply
    13,332.08x = 18,398.64 × 7,363.40
  4. Step 4: Simplify right side
    13,332.08x = 135,476,545.78
  5. Step 5: Solve for x
    x = 135,476,545.78/13,332.08
  6. Step 6: Final answer
    x = 10,161.70

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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.