Home / 21,603.48-29,818.35-14,068.62

Finding the Fourth Proportional to 21,603.48, 29,818.35 and 14,068.62

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Solution

The fourth proportional to 21,603.48, 29,818.35 and 14,068.62 is: 19,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603.48 : 29,818.35 = 14,068.62 : x
  2. Step 2: Convert to fraction form
    21,603.48/29,818.35 = 14,068.62/x
  3. Step 3: Cross multiply
    21,603.48x = 29,818.35 × 14,068.62
  4. Step 4: Simplify right side
    21,603.48x = 419,503,035.18
  5. Step 5: Solve for x
    x = 419,503,035.18/21,603.48
  6. Step 6: Final answer
    x = 19,418.31

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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.