Home / 13,891.04-19,164.47-8,854.10

Finding the Fourth Proportional to 13,891.04, 19,164.47 and 8,854.10

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Solution

The fourth proportional to 13,891.04, 19,164.47 and 8,854.10 is: 12,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.04 : 19,164.47 = 8,854.10 : x
  2. Step 2: Convert to fraction form
    13,891.04/19,164.47 = 8,854.10/x
  3. Step 3: Cross multiply
    13,891.04x = 19,164.47 × 8,854.10
  4. Step 4: Simplify right side
    13,891.04x = 169,683,993.73
  5. Step 5: Solve for x
    x = 169,683,993.73/13,891.04
  6. Step 6: Final answer
    x = 12,215.36

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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.