Home / 12,503.28-18,718.47-10,832.25

Finding the Fourth Proportional to 12,503.28, 18,718.47 and 10,832.25

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Solution

The fourth proportional to 12,503.28, 18,718.47 and 10,832.25 is: 16,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.28 : 18,718.47 = 10,832.25 : x
  2. Step 2: Convert to fraction form
    12,503.28/18,718.47 = 10,832.25/x
  3. Step 3: Cross multiply
    12,503.28x = 18,718.47 × 10,832.25
  4. Step 4: Simplify right side
    12,503.28x = 202,763,146.66
  5. Step 5: Solve for x
    x = 202,763,146.66/12,503.28
  6. Step 6: Final answer
    x = 16,216.80

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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.