Home / 15,334.85-22,890.37-13,157.57

Finding the Fourth Proportional to 15,334.85, 22,890.37 and 13,157.57

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Solution

The fourth proportional to 15,334.85, 22,890.37 and 13,157.57 is: 19,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334.85 : 22,890.37 = 13,157.57 : x
  2. Step 2: Convert to fraction form
    15,334.85/22,890.37 = 13,157.57/x
  3. Step 3: Cross multiply
    15,334.85x = 22,890.37 × 13,157.57
  4. Step 4: Simplify right side
    15,334.85x = 301,181,579.81
  5. Step 5: Solve for x
    x = 301,181,579.81/15,334.85
  6. Step 6: Final answer
    x = 19,640.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.