Home / 14,503.51-21,755.27-12,306.79

Finding the Fourth Proportional to 14,503.51, 21,755.27 and 12,306.79

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Solution

The fourth proportional to 14,503.51, 21,755.27 and 12,306.79 is: 18,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.51 : 21,755.27 = 12,306.79 : x
  2. Step 2: Convert to fraction form
    14,503.51/21,755.27 = 12,306.79/x
  3. Step 3: Cross multiply
    14,503.51x = 21,755.27 × 12,306.79
  4. Step 4: Simplify right side
    14,503.51x = 267,737,539.28
  5. Step 5: Solve for x
    x = 267,737,539.28/14,503.51
  6. Step 6: Final answer
    x = 18,460.19

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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.