Home / 13,884.27-19,154.86-8,847.55

Finding the Fourth Proportional to 13,884.27, 19,154.86 and 8,847.55

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Solution

The fourth proportional to 13,884.27, 19,154.86 and 8,847.55 is: 12,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.27 : 19,154.86 = 8,847.55 : x
  2. Step 2: Convert to fraction form
    13,884.27/19,154.86 = 8,847.55/x
  3. Step 3: Cross multiply
    13,884.27x = 19,154.86 × 8,847.55
  4. Step 4: Simplify right side
    13,884.27x = 169,473,581.59
  5. Step 5: Solve for x
    x = 169,473,581.59/13,884.27
  6. Step 6: Final answer
    x = 12,206.16

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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.