Home / 14,125.32-21,172.86-8,932.68

Finding the Fourth Proportional to 14,125.32, 21,172.86 and 8,932.68

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Solution

The fourth proportional to 14,125.32, 21,172.86 and 8,932.68 is: 13,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.32 : 21,172.86 = 8,932.68 : x
  2. Step 2: Convert to fraction form
    14,125.32/21,172.86 = 8,932.68/x
  3. Step 3: Cross multiply
    14,125.32x = 21,172.86 × 8,932.68
  4. Step 4: Simplify right side
    14,125.32x = 189,130,383.06
  5. Step 5: Solve for x
    x = 189,130,383.06/14,125.32
  6. Step 6: Final answer
    x = 13,389.46

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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.