Home / 14,288.79-19,715.34-8,624.46

Finding the Fourth Proportional to 14,288.79, 19,715.34 and 8,624.46

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Solution

The fourth proportional to 14,288.79, 19,715.34 and 8,624.46 is: 11,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.79 : 19,715.34 = 8,624.46 : x
  2. Step 2: Convert to fraction form
    14,288.79/19,715.34 = 8,624.46/x
  3. Step 3: Cross multiply
    14,288.79x = 19,715.34 × 8,624.46
  4. Step 4: Simplify right side
    14,288.79x = 170,034,161.22
  5. Step 5: Solve for x
    x = 170,034,161.22/14,288.79
  6. Step 6: Final answer
    x = 11,899.83

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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.