Home / 12,803.49-19,205.21-5,006.84

Finding the Fourth Proportional to 12,803.49, 19,205.21 and 5,006.84

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Solution

The fourth proportional to 12,803.49, 19,205.21 and 5,006.84 is: 7,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.49 : 19,205.21 = 5,006.84 : x
  2. Step 2: Convert to fraction form
    12,803.49/19,205.21 = 5,006.84/x
  3. Step 3: Cross multiply
    12,803.49x = 19,205.21 × 5,006.84
  4. Step 4: Simplify right side
    12,803.49x = 96,157,317.61
  5. Step 5: Solve for x
    x = 96,157,317.61/12,803.49
  6. Step 6: Final answer
    x = 7,510.24

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Similar ratio
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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.