Home / 19,653.21-29,479.92-5,613.48

Finding the Fourth Proportional to 19,653.21, 29,479.92 and 5,613.48

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Solution

The fourth proportional to 19,653.21, 29,479.92 and 5,613.48 is: 8,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.21 : 29,479.92 = 5,613.48 : x
  2. Step 2: Convert to fraction form
    19,653.21/29,479.92 = 5,613.48/x
  3. Step 3: Cross multiply
    19,653.21x = 29,479.92 × 5,613.48
  4. Step 4: Simplify right side
    19,653.21x = 165,484,941.32
  5. Step 5: Solve for x
    x = 165,484,941.32/19,653.21
  6. Step 6: Final answer
    x = 8,420.25

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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.