Home / 10,285.23-15,407.29-4,730.96

Finding the Fourth Proportional to 10,285.23, 15,407.29 and 4,730.96

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Solution

The fourth proportional to 10,285.23, 15,407.29 and 4,730.96 is: 7,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.23 : 15,407.29 = 4,730.96 : x
  2. Step 2: Convert to fraction form
    10,285.23/15,407.29 = 4,730.96/x
  3. Step 3: Cross multiply
    10,285.23x = 15,407.29 × 4,730.96
  4. Step 4: Simplify right side
    10,285.23x = 72,891,299.39
  5. Step 5: Solve for x
    x = 72,891,299.39/10,285.23
  6. Step 6: Final answer
    x = 7,086.99

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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.