Home / 13,964.16-20,941.56-7,386.48

Finding the Fourth Proportional to 13,964.16, 20,941.56 and 7,386.48

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Solution

The fourth proportional to 13,964.16, 20,941.56 and 7,386.48 is: 11,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.16 : 20,941.56 = 7,386.48 : x
  2. Step 2: Convert to fraction form
    13,964.16/20,941.56 = 7,386.48/x
  3. Step 3: Cross multiply
    13,964.16x = 20,941.56 × 7,386.48
  4. Step 4: Simplify right side
    13,964.16x = 154,684,414.11
  5. Step 5: Solve for x
    x = 154,684,414.11/13,964.16
  6. Step 6: Final answer
    x = 11,077.24

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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.