Home / 10,868.68-14,998.70-6,152.92

Finding the Fourth Proportional to 10,868.68, 14,998.70 and 6,152.92

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Solution

The fourth proportional to 10,868.68, 14,998.70 and 6,152.92 is: 8,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.68 : 14,998.70 = 6,152.92 : x
  2. Step 2: Convert to fraction form
    10,868.68/14,998.70 = 6,152.92/x
  3. Step 3: Cross multiply
    10,868.68x = 14,998.70 × 6,152.92
  4. Step 4: Simplify right side
    10,868.68x = 92,285,801.20
  5. Step 5: Solve for x
    x = 92,285,801.20/10,868.68
  6. Step 6: Final answer
    x = 8,490.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.