Home / 19,402.32-29,102.66-5,551.32

Finding the Fourth Proportional to 19,402.32, 29,102.66 and 5,551.32

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Solution

The fourth proportional to 19,402.32, 29,102.66 and 5,551.32 is: 8,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.32 : 29,102.66 = 5,551.32 : x
  2. Step 2: Convert to fraction form
    19,402.32/29,102.66 = 5,551.32/x
  3. Step 3: Cross multiply
    19,402.32x = 29,102.66 × 5,551.32
  4. Step 4: Simplify right side
    19,402.32x = 161,558,178.51
  5. Step 5: Solve for x
    x = 161,558,178.51/19,402.32
  6. Step 6: Final answer
    x = 8,326.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.