Home / 18,837.20-26,009.16-16,504.40

Finding the Fourth Proportional to 18,837.20, 26,009.16 and 16,504.40

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Solution

The fourth proportional to 18,837.20, 26,009.16 and 16,504.40 is: 22,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.20 : 26,009.16 = 16,504.40 : x
  2. Step 2: Convert to fraction form
    18,837.20/26,009.16 = 16,504.40/x
  3. Step 3: Cross multiply
    18,837.20x = 26,009.16 × 16,504.40
  4. Step 4: Simplify right side
    18,837.20x = 429,265,580.30
  5. Step 5: Solve for x
    x = 429,265,580.30/18,837.20
  6. Step 6: Final answer
    x = 22,788.18

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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.