Home / 12,905.16-19,364.22-9,624.84

Finding the Fourth Proportional to 12,905.16, 19,364.22 and 9,624.84

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Solution

The fourth proportional to 12,905.16, 19,364.22 and 9,624.84 is: 14,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905.16 : 19,364.22 = 9,624.84 : x
  2. Step 2: Convert to fraction form
    12,905.16/19,364.22 = 9,624.84/x
  3. Step 3: Cross multiply
    12,905.16x = 19,364.22 × 9,624.84
  4. Step 4: Simplify right side
    12,905.16x = 186,377,519.22
  5. Step 5: Solve for x
    x = 186,377,519.22/12,905.16
  6. Step 6: Final answer
    x = 14,442.09

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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.