Home / 14,401.72-19,883.43-11,038.19

Finding the Fourth Proportional to 14,401.72, 19,883.43 and 11,038.19

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Solution

The fourth proportional to 14,401.72, 19,883.43 and 11,038.19 is: 15,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.72 : 19,883.43 = 11,038.19 : x
  2. Step 2: Convert to fraction form
    14,401.72/19,883.43 = 11,038.19/x
  3. Step 3: Cross multiply
    14,401.72x = 19,883.43 × 11,038.19
  4. Step 4: Simplify right side
    14,401.72x = 219,477,023.00
  5. Step 5: Solve for x
    x = 219,477,023.00/14,401.72
  6. Step 6: Final answer
    x = 15,239.64

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Half scale
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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.