Home / 14,160.60-21,238.06-13,458.06

Finding the Fourth Proportional to 14,160.60, 21,238.06 and 13,458.06

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Solution

The fourth proportional to 14,160.60, 21,238.06 and 13,458.06 is: 20,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.60 : 21,238.06 = 13,458.06 : x
  2. Step 2: Convert to fraction form
    14,160.60/21,238.06 = 13,458.06/x
  3. Step 3: Cross multiply
    14,160.60x = 21,238.06 × 13,458.06
  4. Step 4: Simplify right side
    14,160.60x = 285,823,085.76
  5. Step 5: Solve for x
    x = 285,823,085.76/14,160.60
  6. Step 6: Final answer
    x = 20,184.39

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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.