Home / 14,206.29-21,315.58-7,624.79

Finding the Fourth Proportional to 14,206.29, 21,315.58 and 7,624.79

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Solution

The fourth proportional to 14,206.29, 21,315.58 and 7,624.79 is: 11,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.29 : 21,315.58 = 7,624.79 : x
  2. Step 2: Convert to fraction form
    14,206.29/21,315.58 = 7,624.79/x
  3. Step 3: Cross multiply
    14,206.29x = 21,315.58 × 7,624.79
  4. Step 4: Simplify right side
    14,206.29x = 162,526,695.59
  5. Step 5: Solve for x
    x = 162,526,695.59/14,206.29
  6. Step 6: Final answer
    x = 11,440.47

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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.