Home / 14,273.40-21,399.48-6,870.90

Finding the Fourth Proportional to 14,273.40, 21,399.48 and 6,870.90

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Solution

The fourth proportional to 14,273.40, 21,399.48 and 6,870.90 is: 10,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.40 : 21,399.48 = 6,870.90 : x
  2. Step 2: Convert to fraction form
    14,273.40/21,399.48 = 6,870.90/x
  3. Step 3: Cross multiply
    14,273.40x = 21,399.48 × 6,870.90
  4. Step 4: Simplify right side
    14,273.40x = 147,033,687.13
  5. Step 5: Solve for x
    x = 147,033,687.13/14,273.40
  6. Step 6: Final answer
    x = 10,301.24

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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.