Home / 15,145.70-22,720.37-14,316.26

Finding the Fourth Proportional to 15,145.70, 22,720.37 and 14,316.26

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Solution

The fourth proportional to 15,145.70, 22,720.37 and 14,316.26 is: 21,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.70 : 22,720.37 = 14,316.26 : x
  2. Step 2: Convert to fraction form
    15,145.70/22,720.37 = 14,316.26/x
  3. Step 3: Cross multiply
    15,145.70x = 22,720.37 × 14,316.26
  4. Step 4: Simplify right side
    15,145.70x = 325,270,539.03
  5. Step 5: Solve for x
    x = 325,270,539.03/15,145.70
  6. Step 6: Final answer
    x = 21,476.11

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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.