Home / 14,728.95-22,093.47-12,128.82

Finding the Fourth Proportional to 14,728.95, 22,093.47 and 12,128.82

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Solution

The fourth proportional to 14,728.95, 22,093.47 and 12,128.82 is: 18,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.95 : 22,093.47 = 12,128.82 : x
  2. Step 2: Convert to fraction form
    14,728.95/22,093.47 = 12,128.82/x
  3. Step 3: Cross multiply
    14,728.95x = 22,093.47 × 12,128.82
  4. Step 4: Simplify right side
    14,728.95x = 267,967,549.69
  5. Step 5: Solve for x
    x = 267,967,549.69/14,728.95
  6. Step 6: Final answer
    x = 18,193.26

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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.