Home / 14,474.60-21,656.16-13,424.84

Finding the Fourth Proportional to 14,474.60, 21,656.16 and 13,424.84

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Solution

The fourth proportional to 14,474.60, 21,656.16 and 13,424.84 is: 20,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.60 : 21,656.16 = 13,424.84 : x
  2. Step 2: Convert to fraction form
    14,474.60/21,656.16 = 13,424.84/x
  3. Step 3: Cross multiply
    14,474.60x = 21,656.16 × 13,424.84
  4. Step 4: Simplify right side
    14,474.60x = 290,730,455.94
  5. Step 5: Solve for x
    x = 290,730,455.94/14,474.60
  6. Step 6: Final answer
    x = 20,085.56

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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.