Home / 13,925.70-20,844.81-10,394.64

Finding the Fourth Proportional to 13,925.70, 20,844.81 and 10,394.64

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Solution

The fourth proportional to 13,925.70, 20,844.81 and 10,394.64 is: 15,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.70 : 20,844.81 = 10,394.64 : x
  2. Step 2: Convert to fraction form
    13,925.70/20,844.81 = 10,394.64/x
  3. Step 3: Cross multiply
    13,925.70x = 20,844.81 × 10,394.64
  4. Step 4: Simplify right side
    13,925.70x = 216,674,295.82
  5. Step 5: Solve for x
    x = 216,674,295.82/13,925.70
  6. Step 6: Final answer
    x = 15,559.31

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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.