Home / 13,556.48-18,707.76-7,588.15

Finding the Fourth Proportional to 13,556.48, 18,707.76 and 7,588.15

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Solution

The fourth proportional to 13,556.48, 18,707.76 and 7,588.15 is: 10,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.48 : 18,707.76 = 7,588.15 : x
  2. Step 2: Convert to fraction form
    13,556.48/18,707.76 = 7,588.15/x
  3. Step 3: Cross multiply
    13,556.48x = 18,707.76 × 7,588.15
  4. Step 4: Simplify right side
    13,556.48x = 141,957,242.27
  5. Step 5: Solve for x
    x = 141,957,242.27/13,556.48
  6. Step 6: Final answer
    x = 10,471.54

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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.