Home / 13,332.83-18,401.08-12,894.72

Finding the Fourth Proportional to 13,332.83, 18,401.08 and 12,894.72

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Solution

The fourth proportional to 13,332.83, 18,401.08 and 12,894.72 is: 17,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.83 : 18,401.08 = 12,894.72 : x
  2. Step 2: Convert to fraction form
    13,332.83/18,401.08 = 12,894.72/x
  3. Step 3: Cross multiply
    13,332.83x = 18,401.08 × 12,894.72
  4. Step 4: Simplify right side
    13,332.83x = 237,276,617.82
  5. Step 5: Solve for x
    x = 237,276,617.82/13,332.83
  6. Step 6: Final answer
    x = 17,796.42

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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.