Home / 13,914.86-19,202.36-7,627.20

Finding the Fourth Proportional to 13,914.86, 19,202.36 and 7,627.20

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Solution

The fourth proportional to 13,914.86, 19,202.36 and 7,627.20 is: 10,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.86 : 19,202.36 = 7,627.20 : x
  2. Step 2: Convert to fraction form
    13,914.86/19,202.36 = 7,627.20/x
  3. Step 3: Cross multiply
    13,914.86x = 19,202.36 × 7,627.20
  4. Step 4: Simplify right side
    13,914.86x = 146,460,240.19
  5. Step 5: Solve for x
    x = 146,460,240.19/13,914.86
  6. Step 6: Final answer
    x = 10,525.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.