Home / 19,355.36-29,003.88-14,401.40

Finding the Fourth Proportional to 19,355.36, 29,003.88 and 14,401.40

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Solution

The fourth proportional to 19,355.36, 29,003.88 and 14,401.40 is: 21,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.36 : 29,003.88 = 14,401.40 : x
  2. Step 2: Convert to fraction form
    19,355.36/29,003.88 = 14,401.40/x
  3. Step 3: Cross multiply
    19,355.36x = 29,003.88 × 14,401.40
  4. Step 4: Simplify right side
    19,355.36x = 417,696,477.43
  5. Step 5: Solve for x
    x = 417,696,477.43/19,355.36
  6. Step 6: Final answer
    x = 21,580.40

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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.