Home / 15,408.20-23,112.30-14,803.40

Finding the Fourth Proportional to 15,408.20, 23,112.30 and 14,803.40

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Solution

The fourth proportional to 15,408.20, 23,112.30 and 14,803.40 is: 22,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.20 : 23,112.30 = 14,803.40 : x
  2. Step 2: Convert to fraction form
    15,408.20/23,112.30 = 14,803.40/x
  3. Step 3: Cross multiply
    15,408.20x = 23,112.30 × 14,803.40
  4. Step 4: Simplify right side
    15,408.20x = 342,140,621.82
  5. Step 5: Solve for x
    x = 342,140,621.82/15,408.20
  6. Step 6: Final answer
    x = 22,205.10

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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.