Home / 14,172.54-19,548.15-12,280.77

Finding the Fourth Proportional to 14,172.54, 19,548.15 and 12,280.77

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Solution

The fourth proportional to 14,172.54, 19,548.15 and 12,280.77 is: 16,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.54 : 19,548.15 = 12,280.77 : x
  2. Step 2: Convert to fraction form
    14,172.54/19,548.15 = 12,280.77/x
  3. Step 3: Cross multiply
    14,172.54x = 19,548.15 × 12,280.77
  4. Step 4: Simplify right side
    14,172.54x = 240,066,334.08
  5. Step 5: Solve for x
    x = 240,066,334.08/14,172.54
  6. Step 6: Final answer
    x = 16,938.84

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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.