Home / 14,260.44-21,358.36-6,870.21

Finding the Fourth Proportional to 14,260.44, 21,358.36 and 6,870.21

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Solution

The fourth proportional to 14,260.44, 21,358.36 and 6,870.21 is: 10,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.44 : 21,358.36 = 6,870.21 : x
  2. Step 2: Convert to fraction form
    14,260.44/21,358.36 = 6,870.21/x
  3. Step 3: Cross multiply
    14,260.44x = 21,358.36 × 6,870.21
  4. Step 4: Simplify right side
    14,260.44x = 146,736,418.46
  5. Step 5: Solve for x
    x = 146,736,418.46/14,260.44
  6. Step 6: Final answer
    x = 10,289.75

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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.