Home / 10,285.20-15,407.24-4,730.93

Finding the Fourth Proportional to 10,285.20, 15,407.24 and 4,730.93

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Solution

The fourth proportional to 10,285.20, 15,407.24 and 4,730.93 is: 7,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.20 : 15,407.24 = 4,730.93 : x
  2. Step 2: Convert to fraction form
    10,285.20/15,407.24 = 4,730.93/x
  3. Step 3: Cross multiply
    10,285.20x = 15,407.24 × 4,730.93
  4. Step 4: Simplify right side
    10,285.20x = 72,890,573.93
  5. Step 5: Solve for x
    x = 72,890,573.93/10,285.20
  6. Step 6: Final answer
    x = 7,086.94

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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.