Home / 10,612.05-14,644.90-6,363.80

Finding the Fourth Proportional to 10,612.05, 14,644.90 and 6,363.80

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Solution

The fourth proportional to 10,612.05, 14,644.90 and 6,363.80 is: 8,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.05 : 14,644.90 = 6,363.80 : x
  2. Step 2: Convert to fraction form
    10,612.05/14,644.90 = 6,363.80/x
  3. Step 3: Cross multiply
    10,612.05x = 14,644.90 × 6,363.80
  4. Step 4: Simplify right side
    10,612.05x = 93,197,204.27
  5. Step 5: Solve for x
    x = 93,197,204.27/10,612.05
  6. Step 6: Final answer
    x = 8,782.21

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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.