Home / 14,549.76-21,831.93-5,787.18

Finding the Fourth Proportional to 14,549.76, 21,831.93 and 5,787.18

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Solution

The fourth proportional to 14,549.76, 21,831.93 and 5,787.18 is: 8,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.76 : 21,831.93 = 5,787.18 : x
  2. Step 2: Convert to fraction form
    14,549.76/21,831.93 = 5,787.18/x
  3. Step 3: Cross multiply
    14,549.76x = 21,831.93 × 5,787.18
  4. Step 4: Simplify right side
    14,549.76x = 126,345,308.66
  5. Step 5: Solve for x
    x = 126,345,308.66/14,549.76
  6. Step 6: Final answer
    x = 8,683.67

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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.