Home / 10,024-13,831.39-6,439.75

Finding the Fourth Proportional to 10,024, 13,831.39 and 6,439.75

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Solution

The fourth proportional to 10,024, 13,831.39 and 6,439.75 is: 8,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,024 : 13,831.39 = 6,439.75 : x
  2. Step 2: Convert to fraction form
    10,024/13,831.39 = 6,439.75/x
  3. Step 3: Cross multiply
    10,024x = 13,831.39 × 6,439.75
  4. Step 4: Simplify right side
    10,024x = 89,070,693.75
  5. Step 5: Solve for x
    x = 89,070,693.75/10,024
  6. Step 6: Final answer
    x = 8,885.74

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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.