Home / 17,686.64-24,421.08-13,260.56

Finding the Fourth Proportional to 17,686.64, 24,421.08 and 13,260.56

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Solution

The fourth proportional to 17,686.64, 24,421.08 and 13,260.56 is: 18,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.64 : 24,421.08 = 13,260.56 : x
  2. Step 2: Convert to fraction form
    17,686.64/24,421.08 = 13,260.56/x
  3. Step 3: Cross multiply
    17,686.64x = 24,421.08 × 13,260.56
  4. Step 4: Simplify right side
    17,686.64x = 323,837,196.60
  5. Step 5: Solve for x
    x = 323,837,196.60/17,686.64
  6. Step 6: Final answer
    x = 18,309.71

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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.