Home / 18,885.60-26,062.56-10,503.36

Finding the Fourth Proportional to 18,885.60, 26,062.56 and 10,503.36

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Solution

The fourth proportional to 18,885.60, 26,062.56 and 10,503.36 is: 14,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.60 : 26,062.56 = 10,503.36 : x
  2. Step 2: Convert to fraction form
    18,885.60/26,062.56 = 10,503.36/x
  3. Step 3: Cross multiply
    18,885.60x = 26,062.56 × 10,503.36
  4. Step 4: Simplify right side
    18,885.60x = 273,744,450.20
  5. Step 5: Solve for x
    x = 273,744,450.20/18,885.60
  6. Step 6: Final answer
    x = 14,494.88

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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.