Home / 19,962.12-29,943.16-6,813.40

Finding the Fourth Proportional to 19,962.12, 29,943.16 and 6,813.40

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Solution

The fourth proportional to 19,962.12, 29,943.16 and 6,813.40 is: 10,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.12 : 29,943.16 = 6,813.40 : x
  2. Step 2: Convert to fraction form
    19,962.12/29,943.16 = 6,813.40/x
  3. Step 3: Cross multiply
    19,962.12x = 29,943.16 × 6,813.40
  4. Step 4: Simplify right side
    19,962.12x = 204,014,726.34
  5. Step 5: Solve for x
    x = 204,014,726.34/19,962.12
  6. Step 6: Final answer
    x = 10,220.09

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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.