Home / 13,298.54-18,359.62-8,828.34

Finding the Fourth Proportional to 13,298.54, 18,359.62 and 8,828.34

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Solution

The fourth proportional to 13,298.54, 18,359.62 and 8,828.34 is: 12,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.54 : 18,359.62 = 8,828.34 : x
  2. Step 2: Convert to fraction form
    13,298.54/18,359.62 = 8,828.34/x
  3. Step 3: Cross multiply
    13,298.54x = 18,359.62 × 8,828.34
  4. Step 4: Simplify right side
    13,298.54x = 162,084,967.63
  5. Step 5: Solve for x
    x = 162,084,967.63/13,298.54
  6. Step 6: Final answer
    x = 12,188.18

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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.