Home / 19,764.87-29,637.99-6,613.71

Finding the Fourth Proportional to 19,764.87, 29,637.99 and 6,613.71

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Solution

The fourth proportional to 19,764.87, 29,637.99 and 6,613.71 is: 9,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.87 : 29,637.99 = 6,613.71 : x
  2. Step 2: Convert to fraction form
    19,764.87/29,637.99 = 6,613.71/x
  3. Step 3: Cross multiply
    19,764.87x = 29,637.99 × 6,613.71
  4. Step 4: Simplify right side
    19,764.87x = 196,017,070.84
  5. Step 5: Solve for x
    x = 196,017,070.84/19,764.87
  6. Step 6: Final answer
    x = 9,917.45

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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.