Home / 19,581.63-29,376.14-6,434.75

Finding the Fourth Proportional to 19,581.63, 29,376.14 and 6,434.75

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Solution

The fourth proportional to 19,581.63, 29,376.14 and 6,434.75 is: 9,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.63 : 29,376.14 = 6,434.75 : x
  2. Step 2: Convert to fraction form
    19,581.63/29,376.14 = 6,434.75/x
  3. Step 3: Cross multiply
    19,581.63x = 29,376.14 × 6,434.75
  4. Step 4: Simplify right side
    19,581.63x = 189,027,937.81
  5. Step 5: Solve for x
    x = 189,027,937.81/19,581.63
  6. Step 6: Final answer
    x = 9,653.33

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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.