Home / 14,390.37-21,585.61-7,366.55

Finding the Fourth Proportional to 14,390.37, 21,585.61 and 7,366.55

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Solution

The fourth proportional to 14,390.37, 21,585.61 and 7,366.55 is: 11,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.37 : 21,585.61 = 7,366.55 : x
  2. Step 2: Convert to fraction form
    14,390.37/21,585.61 = 7,366.55/x
  3. Step 3: Cross multiply
    14,390.37x = 21,585.61 × 7,366.55
  4. Step 4: Simplify right side
    14,390.37x = 159,011,475.35
  5. Step 5: Solve for x
    x = 159,011,475.35/14,390.37
  6. Step 6: Final answer
    x = 11,049.85

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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.