Home / 12,097.20-18,152.72-4,700.70

Finding the Fourth Proportional to 12,097.20, 18,152.72 and 4,700.70

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Solution

The fourth proportional to 12,097.20, 18,152.72 and 4,700.70 is: 7,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097.20 : 18,152.72 = 4,700.70 : x
  2. Step 2: Convert to fraction form
    12,097.20/18,152.72 = 4,700.70/x
  3. Step 3: Cross multiply
    12,097.20x = 18,152.72 × 4,700.70
  4. Step 4: Simplify right side
    12,097.20x = 85,330,490.90
  5. Step 5: Solve for x
    x = 85,330,490.90/12,097.20
  6. Step 6: Final answer
    x = 7,053.74

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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.