Home / 13,554.21-18,704.64-7,585.93

Finding the Fourth Proportional to 13,554.21, 18,704.64 and 7,585.93

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Solution

The fourth proportional to 13,554.21, 18,704.64 and 7,585.93 is: 10,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.21 : 18,704.64 = 7,585.93 : x
  2. Step 2: Convert to fraction form
    13,554.21/18,704.64 = 7,585.93/x
  3. Step 3: Cross multiply
    13,554.21x = 18,704.64 × 7,585.93
  4. Step 4: Simplify right side
    13,554.21x = 141,892,042.95
  5. Step 5: Solve for x
    x = 141,892,042.95/13,554.21
  6. Step 6: Final answer
    x = 10,468.48

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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.