Home / 19,563.36-29,355.56-12,992.64

Finding the Fourth Proportional to 19,563.36, 29,355.56 and 12,992.64

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Solution

The fourth proportional to 19,563.36, 29,355.56 and 12,992.64 is: 19,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.36 : 29,355.56 = 12,992.64 : x
  2. Step 2: Convert to fraction form
    19,563.36/29,355.56 = 12,992.64/x
  3. Step 3: Cross multiply
    19,563.36x = 29,355.56 × 12,992.64
  4. Step 4: Simplify right side
    19,563.36x = 381,406,223.08
  5. Step 5: Solve for x
    x = 381,406,223.08/19,563.36
  6. Step 6: Final answer
    x = 19,495.95

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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.