Home / 14,021.63-19,332.30-8,977.57

Finding the Fourth Proportional to 14,021.63, 19,332.30 and 8,977.57

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Solution

The fourth proportional to 14,021.63, 19,332.30 and 8,977.57 is: 12,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.63 : 19,332.30 = 8,977.57 : x
  2. Step 2: Convert to fraction form
    14,021.63/19,332.30 = 8,977.57/x
  3. Step 3: Cross multiply
    14,021.63x = 19,332.30 × 8,977.57
  4. Step 4: Simplify right side
    14,021.63x = 173,557,076.51
  5. Step 5: Solve for x
    x = 173,557,076.51/14,021.63
  6. Step 6: Final answer
    x = 12,377.81

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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.