Home / 14,155.34-19,532.88-8,188.94

Finding the Fourth Proportional to 14,155.34, 19,532.88 and 8,188.94

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Solution

The fourth proportional to 14,155.34, 19,532.88 and 8,188.94 is: 11,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.34 : 19,532.88 = 8,188.94 : x
  2. Step 2: Convert to fraction form
    14,155.34/19,532.88 = 8,188.94/x
  3. Step 3: Cross multiply
    14,155.34x = 19,532.88 × 8,188.94
  4. Step 4: Simplify right side
    14,155.34x = 159,953,582.35
  5. Step 5: Solve for x
    x = 159,953,582.35/14,155.34
  6. Step 6: Final answer
    x = 11,299.88

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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.