Home / 13,846.59-19,102.37-8,809.20

Finding the Fourth Proportional to 13,846.59, 19,102.37 and 8,809.20

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Solution

The fourth proportional to 13,846.59, 19,102.37 and 8,809.20 is: 12,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.59 : 19,102.37 = 8,809.20 : x
  2. Step 2: Convert to fraction form
    13,846.59/19,102.37 = 8,809.20/x
  3. Step 3: Cross multiply
    13,846.59x = 19,102.37 × 8,809.20
  4. Step 4: Simplify right side
    13,846.59x = 168,276,553.76
  5. Step 5: Solve for x
    x = 168,276,553.76/13,846.59
  6. Step 6: Final answer
    x = 12,152.92

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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.