Home / 10,946.88-16,420.32-8,769.33

Finding the Fourth Proportional to 10,946.88, 16,420.32 and 8,769.33

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Solution

The fourth proportional to 10,946.88, 16,420.32 and 8,769.33 is: 13,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.88 : 16,420.32 = 8,769.33 : x
  2. Step 2: Convert to fraction form
    10,946.88/16,420.32 = 8,769.33/x
  3. Step 3: Cross multiply
    10,946.88x = 16,420.32 × 8,769.33
  4. Step 4: Simplify right side
    10,946.88x = 143,995,204.79
  5. Step 5: Solve for x
    x = 143,995,204.79/10,946.88
  6. Step 6: Final answer
    x = 13,154.00

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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.