Home / 13,307.92-18,364.98-8,002.82

Finding the Fourth Proportional to 13,307.92, 18,364.98 and 8,002.82

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Solution

The fourth proportional to 13,307.92, 18,364.98 and 8,002.82 is: 11,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.92 : 18,364.98 = 8,002.82 : x
  2. Step 2: Convert to fraction form
    13,307.92/18,364.98 = 8,002.82/x
  3. Step 3: Cross multiply
    13,307.92x = 18,364.98 × 8,002.82
  4. Step 4: Simplify right side
    13,307.92x = 146,971,629.24
  5. Step 5: Solve for x
    x = 146,971,629.24/13,307.92
  6. Step 6: Final answer
    x = 11,043.92

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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.