Home / 15,831.91-23,749.23-4,145.13

Finding the Fourth Proportional to 15,831.91, 23,749.23 and 4,145.13

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Solution

The fourth proportional to 15,831.91, 23,749.23 and 4,145.13 is: 6,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.91 : 23,749.23 = 4,145.13 : x
  2. Step 2: Convert to fraction form
    15,831.91/23,749.23 = 4,145.13/x
  3. Step 3: Cross multiply
    15,831.91x = 23,749.23 × 4,145.13
  4. Step 4: Simplify right side
    15,831.91x = 98,443,645.75
  5. Step 5: Solve for x
    x = 98,443,645.75/15,831.91
  6. Step 6: Final answer
    x = 6,218.05

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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.