Home / 13,076.40-19,614.56-5,285.18

Finding the Fourth Proportional to 13,076.40, 19,614.56 and 5,285.18

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Solution

The fourth proportional to 13,076.40, 19,614.56 and 5,285.18 is: 7,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.40 : 19,614.56 = 5,285.18 : x
  2. Step 2: Convert to fraction form
    13,076.40/19,614.56 = 5,285.18/x
  3. Step 3: Cross multiply
    13,076.40x = 19,614.56 × 5,285.18
  4. Step 4: Simplify right side
    13,076.40x = 103,666,480.22
  5. Step 5: Solve for x
    x = 103,666,480.22/13,076.40
  6. Step 6: Final answer
    x = 7,927.75

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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.