Home / 19,636.24-29,448.12-6,486.16

Finding the Fourth Proportional to 19,636.24, 29,448.12 and 6,486.16

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Solution

The fourth proportional to 19,636.24, 29,448.12 and 6,486.16 is: 9,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.24 : 29,448.12 = 6,486.16 : x
  2. Step 2: Convert to fraction form
    19,636.24/29,448.12 = 6,486.16/x
  3. Step 3: Cross multiply
    19,636.24x = 29,448.12 × 6,486.16
  4. Step 4: Simplify right side
    19,636.24x = 191,005,218.02
  5. Step 5: Solve for x
    x = 191,005,218.02/19,636.24
  6. Step 6: Final answer
    x = 9,727.18

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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.