Home / 26,172.36-39,262.93-12,126.64

Finding the Fourth Proportional to 26,172.36, 39,262.93 and 12,126.64

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Solution

The fourth proportional to 26,172.36, 39,262.93 and 12,126.64 is: 18,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.36 : 39,262.93 = 12,126.64 : x
  2. Step 2: Convert to fraction form
    26,172.36/39,262.93 = 12,126.64/x
  3. Step 3: Cross multiply
    26,172.36x = 39,262.93 × 12,126.64
  4. Step 4: Simplify right side
    26,172.36x = 476,127,417.46
  5. Step 5: Solve for x
    x = 476,127,417.46/26,172.36
  6. Step 6: Final answer
    x = 18,191.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.