Home / 21,064.12-29,068.44-12,113.35

Finding the Fourth Proportional to 21,064.12, 29,068.44 and 12,113.35

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Solution

The fourth proportional to 21,064.12, 29,068.44 and 12,113.35 is: 16,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064.12 : 29,068.44 = 12,113.35 : x
  2. Step 2: Convert to fraction form
    21,064.12/29,068.44 = 12,113.35/x
  3. Step 3: Cross multiply
    21,064.12x = 29,068.44 × 12,113.35
  4. Step 4: Simplify right side
    21,064.12x = 352,116,187.67
  5. Step 5: Solve for x
    x = 352,116,187.67/21,064.12
  6. Step 6: Final answer
    x = 16,716.40

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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.