Home / 18,942.03-26,139.87-10,444.19

Finding the Fourth Proportional to 18,942.03, 26,139.87 and 10,444.19

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Solution

The fourth proportional to 18,942.03, 26,139.87 and 10,444.19 is: 14,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.03 : 26,139.87 = 10,444.19 : x
  2. Step 2: Convert to fraction form
    18,942.03/26,139.87 = 10,444.19/x
  3. Step 3: Cross multiply
    18,942.03x = 26,139.87 × 10,444.19
  4. Step 4: Simplify right side
    18,942.03x = 273,009,638.16
  5. Step 5: Solve for x
    x = 273,009,638.16/18,942.03
  6. Step 6: Final answer
    x = 14,412.90

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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.