Home / 14,184-21,294.83-12,117.28

Finding the Fourth Proportional to 14,184, 21,294.83 and 12,117.28

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Solution

The fourth proportional to 14,184, 21,294.83 and 12,117.28 is: 18,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184 : 21,294.83 = 12,117.28 : x
  2. Step 2: Convert to fraction form
    14,184/21,294.83 = 12,117.28/x
  3. Step 3: Cross multiply
    14,184x = 21,294.83 × 12,117.28
  4. Step 4: Simplify right side
    14,184x = 258,035,417.66
  5. Step 5: Solve for x
    x = 258,035,417.66/14,184
  6. Step 6: Final answer
    x = 18,192.01

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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.