Home / 15,695.65-21,659.01-14,441.77

Finding the Fourth Proportional to 15,695.65, 21,659.01 and 14,441.77

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Solution

The fourth proportional to 15,695.65, 21,659.01 and 14,441.77 is: 19,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.65 : 21,659.01 = 14,441.77 : x
  2. Step 2: Convert to fraction form
    15,695.65/21,659.01 = 14,441.77/x
  3. Step 3: Cross multiply
    15,695.65x = 21,659.01 × 14,441.77
  4. Step 4: Simplify right side
    15,695.65x = 312,794,440.85
  5. Step 5: Solve for x
    x = 312,794,440.85/15,695.65
  6. Step 6: Final answer
    x = 19,928.73

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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.