Home / 15,205.10-22,807.41-12,602.54

Finding the Fourth Proportional to 15,205.10, 22,807.41 and 12,602.54

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Solution

The fourth proportional to 15,205.10, 22,807.41 and 12,602.54 is: 18,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205.10 : 22,807.41 = 12,602.54 : x
  2. Step 2: Convert to fraction form
    15,205.10/22,807.41 = 12,602.54/x
  3. Step 3: Cross multiply
    15,205.10x = 22,807.41 × 12,602.54
  4. Step 4: Simplify right side
    15,205.10x = 287,431,296.82
  5. Step 5: Solve for x
    x = 287,431,296.82/15,205.10
  6. Step 6: Final answer
    x = 18,903.61

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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.