Home / 15,469.11-23,203.80-7,146.63

Finding the Fourth Proportional to 15,469.11, 23,203.80 and 7,146.63

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Solution

The fourth proportional to 15,469.11, 23,203.80 and 7,146.63 is: 10,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.11 : 23,203.80 = 7,146.63 : x
  2. Step 2: Convert to fraction form
    15,469.11/23,203.80 = 7,146.63/x
  3. Step 3: Cross multiply
    15,469.11x = 23,203.80 × 7,146.63
  4. Step 4: Simplify right side
    15,469.11x = 165,828,973.19
  5. Step 5: Solve for x
    x = 165,828,973.19/15,469.11
  6. Step 6: Final answer
    x = 10,720.01

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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.