Home / 14,398.44-19,830.12-12,408.28

Finding the Fourth Proportional to 14,398.44, 19,830.12 and 12,408.28

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Solution

The fourth proportional to 14,398.44, 19,830.12 and 12,408.28 is: 17,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.44 : 19,830.12 = 12,408.28 : x
  2. Step 2: Convert to fraction form
    14,398.44/19,830.12 = 12,408.28/x
  3. Step 3: Cross multiply
    14,398.44x = 19,830.12 × 12,408.28
  4. Step 4: Simplify right side
    14,398.44x = 246,057,681.39
  5. Step 5: Solve for x
    x = 246,057,681.39/14,398.44
  6. Step 6: Final answer
    x = 17,089.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.