Home / 13,934.34-19,235.34-8,905.32

Finding the Fourth Proportional to 13,934.34, 19,235.34 and 8,905.32

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Solution

The fourth proportional to 13,934.34, 19,235.34 and 8,905.32 is: 12,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.34 : 19,235.34 = 8,905.32 : x
  2. Step 2: Convert to fraction form
    13,934.34/19,235.34 = 8,905.32/x
  3. Step 3: Cross multiply
    13,934.34x = 19,235.34 × 8,905.32
  4. Step 4: Simplify right side
    13,934.34x = 171,296,858.01
  5. Step 5: Solve for x
    x = 171,296,858.01/13,934.34
  6. Step 6: Final answer
    x = 12,293.14

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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.