Home / 13,036.60-17,966.36-9,259.92

Finding the Fourth Proportional to 13,036.60, 17,966.36 and 9,259.92

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Solution

The fourth proportional to 13,036.60, 17,966.36 and 9,259.92 is: 12,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.60 : 17,966.36 = 9,259.92 : x
  2. Step 2: Convert to fraction form
    13,036.60/17,966.36 = 9,259.92/x
  3. Step 3: Cross multiply
    13,036.60x = 17,966.36 × 9,259.92
  4. Step 4: Simplify right side
    13,036.60x = 166,367,056.29
  5. Step 5: Solve for x
    x = 166,367,056.29/13,036.60
  6. Step 6: Final answer
    x = 12,761.54

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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.