Home / 13,345.49-18,404.85-11,073.23

Finding the Fourth Proportional to 13,345.49, 18,404.85 and 11,073.23

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Solution

The fourth proportional to 13,345.49, 18,404.85 and 11,073.23 is: 15,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.49 : 18,404.85 = 11,073.23 : x
  2. Step 2: Convert to fraction form
    13,345.49/18,404.85 = 11,073.23/x
  3. Step 3: Cross multiply
    13,345.49x = 18,404.85 × 11,073.23
  4. Step 4: Simplify right side
    13,345.49x = 203,801,155.49
  5. Step 5: Solve for x
    x = 203,801,155.49/13,345.49
  6. Step 6: Final answer
    x = 15,271.16

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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.