Home / 14,293.58-21,284.10-13,768.70

Finding the Fourth Proportional to 14,293.58, 21,284.10 and 13,768.70

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Solution

The fourth proportional to 14,293.58, 21,284.10 and 13,768.70 is: 20,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.58 : 21,284.10 = 13,768.70 : x
  2. Step 2: Convert to fraction form
    14,293.58/21,284.10 = 13,768.70/x
  3. Step 3: Cross multiply
    14,293.58x = 21,284.10 × 13,768.70
  4. Step 4: Simplify right side
    14,293.58x = 293,054,318.83
  5. Step 5: Solve for x
    x = 293,054,318.83/14,293.58
  6. Step 6: Final answer
    x = 20,502.51

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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.