Home / 18,973.58-26,172.65-11,014.79

Finding the Fourth Proportional to 18,973.58, 26,172.65 and 11,014.79

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Solution

The fourth proportional to 18,973.58, 26,172.65 and 11,014.79 is: 15,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.58 : 26,172.65 = 11,014.79 : x
  2. Step 2: Convert to fraction form
    18,973.58/26,172.65 = 11,014.79/x
  3. Step 3: Cross multiply
    18,973.58x = 26,172.65 × 11,014.79
  4. Step 4: Simplify right side
    18,973.58x = 288,286,140.17
  5. Step 5: Solve for x
    x = 288,286,140.17/18,973.58
  6. Step 6: Final answer
    x = 15,194.09

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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.