Home / 10,890.16-16,335.24-4,644.92

Finding the Fourth Proportional to 10,890.16, 16,335.24 and 4,644.92

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Solution

The fourth proportional to 10,890.16, 16,335.24 and 4,644.92 is: 6,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.16 : 16,335.24 = 4,644.92 : x
  2. Step 2: Convert to fraction form
    10,890.16/16,335.24 = 4,644.92/x
  3. Step 3: Cross multiply
    10,890.16x = 16,335.24 × 4,644.92
  4. Step 4: Simplify right side
    10,890.16x = 75,875,882.98
  5. Step 5: Solve for x
    x = 75,875,882.98/10,890.16
  6. Step 6: Final answer
    x = 6,967.38

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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.