Home / 10,557.86-15,831.48-3,535.43

Finding the Fourth Proportional to 10,557.86, 15,831.48 and 3,535.43

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Solution

The fourth proportional to 10,557.86, 15,831.48 and 3,535.43 is: 5,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.86 : 15,831.48 = 3,535.43 : x
  2. Step 2: Convert to fraction form
    10,557.86/15,831.48 = 3,535.43/x
  3. Step 3: Cross multiply
    10,557.86x = 15,831.48 × 3,535.43
  4. Step 4: Simplify right side
    10,557.86x = 55,971,089.34
  5. Step 5: Solve for x
    x = 55,971,089.34/10,557.86
  6. Step 6: Final answer
    x = 5,301.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.