Home / 10,871.43-14,999.04-6,154.80

Finding the Fourth Proportional to 10,871.43, 14,999.04 and 6,154.80

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Solution

The fourth proportional to 10,871.43, 14,999.04 and 6,154.80 is: 8,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.43 : 14,999.04 = 6,154.80 : x
  2. Step 2: Convert to fraction form
    10,871.43/14,999.04 = 6,154.80/x
  3. Step 3: Cross multiply
    10,871.43x = 14,999.04 × 6,154.80
  4. Step 4: Simplify right side
    10,871.43x = 92,316,091.39
  5. Step 5: Solve for x
    x = 92,316,091.39/10,871.43
  6. Step 6: Final answer
    x = 8,491.62

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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.