Home / 15,904.86-23,831.31-9,666.78

Finding the Fourth Proportional to 15,904.86, 23,831.31 and 9,666.78

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Solution

The fourth proportional to 15,904.86, 23,831.31 and 9,666.78 is: 14,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.86 : 23,831.31 = 9,666.78 : x
  2. Step 2: Convert to fraction form
    15,904.86/23,831.31 = 9,666.78/x
  3. Step 3: Cross multiply
    15,904.86x = 23,831.31 × 9,666.78
  4. Step 4: Simplify right side
    15,904.86x = 230,372,030.88
  5. Step 5: Solve for x
    x = 230,372,030.88/15,904.86
  6. Step 6: Final answer
    x = 14,484.38

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1.5x scale

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.