Home / 14,018.09-20,985.12-13,519.62

Finding the Fourth Proportional to 14,018.09, 20,985.12 and 13,519.62

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Solution

The fourth proportional to 14,018.09, 20,985.12 and 13,519.62 is: 20,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.09 : 20,985.12 = 13,519.62 : x
  2. Step 2: Convert to fraction form
    14,018.09/20,985.12 = 13,519.62/x
  3. Step 3: Cross multiply
    14,018.09x = 20,985.12 × 13,519.62
  4. Step 4: Simplify right side
    14,018.09x = 283,710,848.05
  5. Step 5: Solve for x
    x = 283,710,848.05/14,018.09
  6. Step 6: Final answer
    x = 20,238.92

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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.