Home / 15,536.64-21,295.96-15,317.92

Finding the Fourth Proportional to 15,536.64, 21,295.96 and 15,317.92

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Solution

The fourth proportional to 15,536.64, 21,295.96 and 15,317.92 is: 20,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.64 : 21,295.96 = 15,317.92 : x
  2. Step 2: Convert to fraction form
    15,536.64/21,295.96 = 15,317.92/x
  3. Step 3: Cross multiply
    15,536.64x = 21,295.96 × 15,317.92
  4. Step 4: Simplify right side
    15,536.64x = 326,209,811.60
  5. Step 5: Solve for x
    x = 326,209,811.60/15,536.64
  6. Step 6: Final answer
    x = 20,996.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.