Home / 12,663.36-18,947.52-10,473.12

Finding the Fourth Proportional to 12,663.36, 18,947.52 and 10,473.12

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Solution

The fourth proportional to 12,663.36, 18,947.52 and 10,473.12 is: 15,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.36 : 18,947.52 = 10,473.12 : x
  2. Step 2: Convert to fraction form
    12,663.36/18,947.52 = 10,473.12/x
  3. Step 3: Cross multiply
    12,663.36x = 18,947.52 × 10,473.12
  4. Step 4: Simplify right side
    12,663.36x = 198,439,650.66
  5. Step 5: Solve for x
    x = 198,439,650.66/12,663.36
  6. Step 6: Final answer
    x = 15,670.38

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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.