Home / 13,526.07-18,664.76-7,556.91

Finding the Fourth Proportional to 13,526.07, 18,664.76 and 7,556.91

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Solution

The fourth proportional to 13,526.07, 18,664.76 and 7,556.91 is: 10,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.07 : 18,664.76 = 7,556.91 : x
  2. Step 2: Convert to fraction form
    13,526.07/18,664.76 = 7,556.91/x
  3. Step 3: Cross multiply
    13,526.07x = 18,664.76 × 7,556.91
  4. Step 4: Simplify right side
    13,526.07x = 141,047,930.38
  5. Step 5: Solve for x
    x = 141,047,930.38/13,526.07
  6. Step 6: Final answer
    x = 10,427.86

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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.