Home / 14,985-20,529.18-14,424.12

Finding the Fourth Proportional to 14,985, 20,529.18 and 14,424.12

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Solution

The fourth proportional to 14,985, 20,529.18 and 14,424.12 is: 19,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985 : 20,529.18 = 14,424.12 : x
  2. Step 2: Convert to fraction form
    14,985/20,529.18 = 14,424.12/x
  3. Step 3: Cross multiply
    14,985x = 20,529.18 × 14,424.12
  4. Step 4: Simplify right side
    14,985x = 296,115,355.82
  5. Step 5: Solve for x
    x = 296,115,355.82/14,985
  6. Step 6: Final answer
    x = 19,760.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.