Home / 15,239.60-22,859.40-11,783.60

Finding the Fourth Proportional to 15,239.60, 22,859.40 and 11,783.60

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Solution

The fourth proportional to 15,239.60, 22,859.40 and 11,783.60 is: 17,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.60 : 22,859.40 = 11,783.60 : x
  2. Step 2: Convert to fraction form
    15,239.60/22,859.40 = 11,783.60/x
  3. Step 3: Cross multiply
    15,239.60x = 22,859.40 × 11,783.60
  4. Step 4: Simplify right side
    15,239.60x = 269,366,025.84
  5. Step 5: Solve for x
    x = 269,366,025.84/15,239.60
  6. Step 6: Final answer
    x = 17,675.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.