Home / 14,300.72-21,353.26-12,810.32

Finding the Fourth Proportional to 14,300.72, 21,353.26 and 12,810.32

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Solution

The fourth proportional to 14,300.72, 21,353.26 and 12,810.32 is: 19,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.72 : 21,353.26 = 12,810.32 : x
  2. Step 2: Convert to fraction form
    14,300.72/21,353.26 = 12,810.32/x
  3. Step 3: Cross multiply
    14,300.72x = 21,353.26 × 12,810.32
  4. Step 4: Simplify right side
    14,300.72x = 273,542,093.64
  5. Step 5: Solve for x
    x = 273,542,093.64/14,300.72
  6. Step 6: Final answer
    x = 19,127.85

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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.