Home / 26,172.72-39,263.40-12,314.16

Finding the Fourth Proportional to 26,172.72, 39,263.40 and 12,314.16

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Solution

The fourth proportional to 26,172.72, 39,263.40 and 12,314.16 is: 18,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.72 : 39,263.40 = 12,314.16 : x
  2. Step 2: Convert to fraction form
    26,172.72/39,263.40 = 12,314.16/x
  3. Step 3: Cross multiply
    26,172.72x = 39,263.40 × 12,314.16
  4. Step 4: Simplify right side
    26,172.72x = 483,495,789.74
  5. Step 5: Solve for x
    x = 483,495,789.74/26,172.72
  6. Step 6: Final answer
    x = 18,473.27

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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.