Home / 14,669.57-21,897-12,602.86

Finding the Fourth Proportional to 14,669.57, 21,897 and 12,602.86

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Solution

The fourth proportional to 14,669.57, 21,897 and 12,602.86 is: 18,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.57 : 21,897 = 12,602.86 : x
  2. Step 2: Convert to fraction form
    14,669.57/21,897 = 12,602.86/x
  3. Step 3: Cross multiply
    14,669.57x = 21,897 × 12,602.86
  4. Step 4: Simplify right side
    14,669.57x = 275,964,770.68
  5. Step 5: Solve for x
    x = 275,964,770.68/14,669.57
  6. Step 6: Final answer
    x = 18,812.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.