Home / 10,328.63-15,490.62-2,932.92

Finding the Fourth Proportional to 10,328.63, 15,490.62 and 2,932.92

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Solution

The fourth proportional to 10,328.63, 15,490.62 and 2,932.92 is: 4,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.63 : 15,490.62 = 2,932.92 : x
  2. Step 2: Convert to fraction form
    10,328.63/15,490.62 = 2,932.92/x
  3. Step 3: Cross multiply
    10,328.63x = 15,490.62 × 2,932.92
  4. Step 4: Simplify right side
    10,328.63x = 45,432,749.21
  5. Step 5: Solve for x
    x = 45,432,749.21/10,328.63
  6. Step 6: Final answer
    x = 4,398.72

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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.