Home / 10,953.70-16,430.84-3,162.50

Finding the Fourth Proportional to 10,953.70, 16,430.84 and 3,162.50

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Solution

The fourth proportional to 10,953.70, 16,430.84 and 3,162.50 is: 4,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.70 : 16,430.84 = 3,162.50 : x
  2. Step 2: Convert to fraction form
    10,953.70/16,430.84 = 3,162.50/x
  3. Step 3: Cross multiply
    10,953.70x = 16,430.84 × 3,162.50
  4. Step 4: Simplify right side
    10,953.70x = 51,962,531.50
  5. Step 5: Solve for x
    x = 51,962,531.50/10,953.70
  6. Step 6: Final answer
    x = 4,743.83

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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.