Home / 11,285.60-15,569.16-6,809.54

Finding the Fourth Proportional to 11,285.60, 15,569.16 and 6,809.54

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Solution

The fourth proportional to 11,285.60, 15,569.16 and 6,809.54 is: 9,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.60 : 15,569.16 = 6,809.54 : x
  2. Step 2: Convert to fraction form
    11,285.60/15,569.16 = 6,809.54/x
  3. Step 3: Cross multiply
    11,285.60x = 15,569.16 × 6,809.54
  4. Step 4: Simplify right side
    11,285.60x = 106,018,817.79
  5. Step 5: Solve for x
    x = 106,018,817.79/11,285.60
  6. Step 6: Final answer
    x = 9,394.17

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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.