Home / 13,536.04-18,673.86-8,160.68

Finding the Fourth Proportional to 13,536.04, 18,673.86 and 8,160.68

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Solution

The fourth proportional to 13,536.04, 18,673.86 and 8,160.68 is: 11,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.04 : 18,673.86 = 8,160.68 : x
  2. Step 2: Convert to fraction form
    13,536.04/18,673.86 = 8,160.68/x
  3. Step 3: Cross multiply
    13,536.04x = 18,673.86 × 8,160.68
  4. Step 4: Simplify right side
    13,536.04x = 152,391,395.82
  5. Step 5: Solve for x
    x = 152,391,395.82/13,536.04
  6. Step 6: Final answer
    x = 11,258.20

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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.