Home / 14,140.40-21,210.56-3,752.16

Finding the Fourth Proportional to 14,140.40, 21,210.56 and 3,752.16

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Solution

The fourth proportional to 14,140.40, 21,210.56 and 3,752.16 is: 5,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.40 : 21,210.56 = 3,752.16 : x
  2. Step 2: Convert to fraction form
    14,140.40/21,210.56 = 3,752.16/x
  3. Step 3: Cross multiply
    14,140.40x = 21,210.56 × 3,752.16
  4. Step 4: Simplify right side
    14,140.40x = 79,585,414.81
  5. Step 5: Solve for x
    x = 79,585,414.81/14,140.40
  6. Step 6: Final answer
    x = 5,628.23

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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.