Home / 19,569.12-29,340.64-6,416.96

Finding the Fourth Proportional to 19,569.12, 29,340.64 and 6,416.96

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Solution

The fourth proportional to 19,569.12, 29,340.64 and 6,416.96 is: 9,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.12 : 29,340.64 = 6,416.96 : x
  2. Step 2: Convert to fraction form
    19,569.12/29,340.64 = 6,416.96/x
  3. Step 3: Cross multiply
    19,569.12x = 29,340.64 × 6,416.96
  4. Step 4: Simplify right side
    19,569.12x = 188,277,713.25
  5. Step 5: Solve for x
    x = 188,277,713.25/19,569.12
  6. Step 6: Final answer
    x = 9,621.16

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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.