Home / 12,803.20-19,206.08-4,593.28

Finding the Fourth Proportional to 12,803.20, 19,206.08 and 4,593.28

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Solution

The fourth proportional to 12,803.20, 19,206.08 and 4,593.28 is: 6,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.20 : 19,206.08 = 4,593.28 : x
  2. Step 2: Convert to fraction form
    12,803.20/19,206.08 = 4,593.28/x
  3. Step 3: Cross multiply
    12,803.20x = 19,206.08 × 4,593.28
  4. Step 4: Simplify right side
    12,803.20x = 88,218,903.14
  5. Step 5: Solve for x
    x = 88,218,903.14/12,803.20
  6. Step 6: Final answer
    x = 6,890.38

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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.