Home / 14,140.18-21,210.36-5,377.60

Finding the Fourth Proportional to 14,140.18, 21,210.36 and 5,377.60

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Solution

The fourth proportional to 14,140.18, 21,210.36 and 5,377.60 is: 8,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.18 : 21,210.36 = 5,377.60 : x
  2. Step 2: Convert to fraction form
    14,140.18/21,210.36 = 5,377.60/x
  3. Step 3: Cross multiply
    14,140.18x = 21,210.36 × 5,377.60
  4. Step 4: Simplify right side
    14,140.18x = 114,060,831.94
  5. Step 5: Solve for x
    x = 114,060,831.94/14,140.18
  6. Step 6: Final answer
    x = 8,066.43

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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.