Home / 15,922.80-23,887.09-12,987.26

Finding the Fourth Proportional to 15,922.80, 23,887.09 and 12,987.26

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Solution

The fourth proportional to 15,922.80, 23,887.09 and 12,987.26 is: 19,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.80 : 23,887.09 = 12,987.26 : x
  2. Step 2: Convert to fraction form
    15,922.80/23,887.09 = 12,987.26/x
  3. Step 3: Cross multiply
    15,922.80x = 23,887.09 × 12,987.26
  4. Step 4: Simplify right side
    15,922.80x = 310,227,896.16
  5. Step 5: Solve for x
    x = 310,227,896.16/15,922.80
  6. Step 6: Final answer
    x = 19,483.25

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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.