Home / 14,290.96-19,730.28-11,318.80

Finding the Fourth Proportional to 14,290.96, 19,730.28 and 11,318.80

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Solution

The fourth proportional to 14,290.96, 19,730.28 and 11,318.80 is: 15,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.96 : 19,730.28 = 11,318.80 : x
  2. Step 2: Convert to fraction form
    14,290.96/19,730.28 = 11,318.80/x
  3. Step 3: Cross multiply
    14,290.96x = 19,730.28 × 11,318.80
  4. Step 4: Simplify right side
    14,290.96x = 223,323,093.26
  5. Step 5: Solve for x
    x = 223,323,093.26/14,290.96
  6. Step 6: Final answer
    x = 15,626.88

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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.