Home / 13,525.95-18,664.59-7,556.79

Finding the Fourth Proportional to 13,525.95, 18,664.59 and 7,556.79

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Solution

The fourth proportional to 13,525.95, 18,664.59 and 7,556.79 is: 10,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.95 : 18,664.59 = 7,556.79 : x
  2. Step 2: Convert to fraction form
    13,525.95/18,664.59 = 7,556.79/x
  3. Step 3: Cross multiply
    13,525.95x = 18,664.59 × 7,556.79
  4. Step 4: Simplify right side
    13,525.95x = 141,044,293.74
  5. Step 5: Solve for x
    x = 141,044,293.74/13,525.95
  6. Step 6: Final answer
    x = 10,427.68

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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.