Home / 10,280.82-15,418.80-4,730.70

Finding the Fourth Proportional to 10,280.82, 15,418.80 and 4,730.70

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Solution

The fourth proportional to 10,280.82, 15,418.80 and 4,730.70 is: 7,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.82 : 15,418.80 = 4,730.70 : x
  2. Step 2: Convert to fraction form
    10,280.82/15,418.80 = 4,730.70/x
  3. Step 3: Cross multiply
    10,280.82x = 15,418.80 × 4,730.70
  4. Step 4: Simplify right side
    10,280.82x = 72,941,717.16
  5. Step 5: Solve for x
    x = 72,941,717.16/10,280.82
  6. Step 6: Final answer
    x = 7,094.93

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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.