Home / 14,107.43-21,036.83-13,980.95

Finding the Fourth Proportional to 14,107.43, 21,036.83 and 13,980.95

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Solution

The fourth proportional to 14,107.43, 21,036.83 and 13,980.95 is: 20,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.43 : 21,036.83 = 13,980.95 : x
  2. Step 2: Convert to fraction form
    14,107.43/21,036.83 = 13,980.95/x
  3. Step 3: Cross multiply
    14,107.43x = 21,036.83 × 13,980.95
  4. Step 4: Simplify right side
    14,107.43x = 294,114,969.16
  5. Step 5: Solve for x
    x = 294,114,969.16/14,107.43
  6. Step 6: Final answer
    x = 20,848.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.