Home / 14,297.92-21,447.48-3,909.64

Finding the Fourth Proportional to 14,297.92, 21,447.48 and 3,909.64

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Solution

The fourth proportional to 14,297.92, 21,447.48 and 3,909.64 is: 5,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.92 : 21,447.48 = 3,909.64 : x
  2. Step 2: Convert to fraction form
    14,297.92/21,447.48 = 3,909.64/x
  3. Step 3: Cross multiply
    14,297.92x = 21,447.48 × 3,909.64
  4. Step 4: Simplify right side
    14,297.92x = 83,851,925.71
  5. Step 5: Solve for x
    x = 83,851,925.71/14,297.92
  6. Step 6: Final answer
    x = 5,864.62

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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.