Home / 14,437.62-21,648.74-6,639.75

Finding the Fourth Proportional to 14,437.62, 21,648.74 and 6,639.75

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Solution

The fourth proportional to 14,437.62, 21,648.74 and 6,639.75 is: 9,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,437.62 : 21,648.74 = 6,639.75 : x
  2. Step 2: Convert to fraction form
    14,437.62/21,648.74 = 6,639.75/x
  3. Step 3: Cross multiply
    14,437.62x = 21,648.74 × 6,639.75
  4. Step 4: Simplify right side
    14,437.62x = 143,742,188.22
  5. Step 5: Solve for x
    x = 143,742,188.22/14,437.62
  6. Step 6: Final answer
    x = 9,956.09

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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.