Home / 19,343.08-26,700.88-11,385.64

Finding the Fourth Proportional to 19,343.08, 26,700.88 and 11,385.64

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Solution

The fourth proportional to 19,343.08, 26,700.88 and 11,385.64 is: 15,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.08 : 26,700.88 = 11,385.64 : x
  2. Step 2: Convert to fraction form
    19,343.08/26,700.88 = 11,385.64/x
  3. Step 3: Cross multiply
    19,343.08x = 26,700.88 × 11,385.64
  4. Step 4: Simplify right side
    19,343.08x = 304,006,607.36
  5. Step 5: Solve for x
    x = 304,006,607.36/19,343.08
  6. Step 6: Final answer
    x = 15,716.56

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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.