Home / 13,305.04-18,345.36-9,941.92

Finding the Fourth Proportional to 13,305.04, 18,345.36 and 9,941.92

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Solution

The fourth proportional to 13,305.04, 18,345.36 and 9,941.92 is: 13,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.04 : 18,345.36 = 9,941.92 : x
  2. Step 2: Convert to fraction form
    13,305.04/18,345.36 = 9,941.92/x
  3. Step 3: Cross multiply
    13,305.04x = 18,345.36 × 9,941.92
  4. Step 4: Simplify right side
    13,305.04x = 182,388,101.49
  5. Step 5: Solve for x
    x = 182,388,101.49/13,305.04
  6. Step 6: Final answer
    x = 13,708.20

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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.