Home / 13,525-18,664.90-7,556.92

Finding the Fourth Proportional to 13,525, 18,664.90 and 7,556.92

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Solution

The fourth proportional to 13,525, 18,664.90 and 7,556.92 is: 10,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525 : 18,664.90 = 7,556.92 : x
  2. Step 2: Convert to fraction form
    13,525/18,664.90 = 7,556.92/x
  3. Step 3: Cross multiply
    13,525x = 18,664.90 × 7,556.92
  4. Step 4: Simplify right side
    13,525x = 141,049,156.11
  5. Step 5: Solve for x
    x = 141,049,156.11/13,525
  6. Step 6: Final answer
    x = 10,428.77

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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.