Home / 14,058.16-21,025.24-12,509.12

Finding the Fourth Proportional to 14,058.16, 21,025.24 and 12,509.12

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Solution

The fourth proportional to 14,058.16, 21,025.24 and 12,509.12 is: 18,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.16 : 21,025.24 = 12,509.12 : x
  2. Step 2: Convert to fraction form
    14,058.16/21,025.24 = 12,509.12/x
  3. Step 3: Cross multiply
    14,058.16x = 21,025.24 × 12,509.12
  4. Step 4: Simplify right side
    14,058.16x = 263,007,250.19
  5. Step 5: Solve for x
    x = 263,007,250.19/14,058.16
  6. Step 6: Final answer
    x = 18,708.51

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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.