Home / 15,889.74-23,860.06-13,110.36

Finding the Fourth Proportional to 15,889.74, 23,860.06 and 13,110.36

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Solution

The fourth proportional to 15,889.74, 23,860.06 and 13,110.36 is: 19,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.74 : 23,860.06 = 13,110.36 : x
  2. Step 2: Convert to fraction form
    15,889.74/23,860.06 = 13,110.36/x
  3. Step 3: Cross multiply
    15,889.74x = 23,860.06 × 13,110.36
  4. Step 4: Simplify right side
    15,889.74x = 312,813,943.45
  5. Step 5: Solve for x
    x = 312,813,943.45/15,889.74
  6. Step 6: Final answer
    x = 19,686.54

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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.