Home / 18,973.66-26,182.20-11,014.60

Finding the Fourth Proportional to 18,973.66, 26,182.20 and 11,014.60

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Solution

The fourth proportional to 18,973.66, 26,182.20 and 11,014.60 is: 15,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.66 : 26,182.20 = 11,014.60 : x
  2. Step 2: Convert to fraction form
    18,973.66/26,182.20 = 11,014.60/x
  3. Step 3: Cross multiply
    18,973.66x = 26,182.20 × 11,014.60
  4. Step 4: Simplify right side
    18,973.66x = 288,386,460.12
  5. Step 5: Solve for x
    x = 288,386,460.12/18,973.66
  6. Step 6: Final answer
    x = 15,199.31

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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.