Home / 14,019.70-21,029.40-4,159.07

Finding the Fourth Proportional to 14,019.70, 21,029.40 and 4,159.07

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Solution

The fourth proportional to 14,019.70, 21,029.40 and 4,159.07 is: 6,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.70 : 21,029.40 = 4,159.07 : x
  2. Step 2: Convert to fraction form
    14,019.70/21,029.40 = 4,159.07/x
  3. Step 3: Cross multiply
    14,019.70x = 21,029.40 × 4,159.07
  4. Step 4: Simplify right side
    14,019.70x = 87,462,746.66
  5. Step 5: Solve for x
    x = 87,462,746.66/14,019.70
  6. Step 6: Final answer
    x = 6,238.56

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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.