Home / 15,723.23-21,695.58-9,007.56

Finding the Fourth Proportional to 15,723.23, 21,695.58 and 9,007.56

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Solution

The fourth proportional to 15,723.23, 21,695.58 and 9,007.56 is: 12,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.23 : 21,695.58 = 9,007.56 : x
  2. Step 2: Convert to fraction form
    15,723.23/21,695.58 = 9,007.56/x
  3. Step 3: Cross multiply
    15,723.23x = 21,695.58 × 9,007.56
  4. Step 4: Simplify right side
    15,723.23x = 195,424,238.58
  5. Step 5: Solve for x
    x = 195,424,238.58/15,723.23
  6. Step 6: Final answer
    x = 12,429.02

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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.