Home / 12,708.28-19,069.58-9,927.15

Finding the Fourth Proportional to 12,708.28, 19,069.58 and 9,927.15

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Solution

The fourth proportional to 12,708.28, 19,069.58 and 9,927.15 is: 14,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.28 : 19,069.58 = 9,927.15 : x
  2. Step 2: Convert to fraction form
    12,708.28/19,069.58 = 9,927.15/x
  3. Step 3: Cross multiply
    12,708.28x = 19,069.58 × 9,927.15
  4. Step 4: Simplify right side
    12,708.28x = 189,306,581.10
  5. Step 5: Solve for x
    x = 189,306,581.10/12,708.28
  6. Step 6: Final answer
    x = 14,896.32

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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.