Home / 16,835.61-25,247.95-7,949.57

Finding the Fourth Proportional to 16,835.61, 25,247.95 and 7,949.57

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Solution

The fourth proportional to 16,835.61, 25,247.95 and 7,949.57 is: 11,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.61 : 25,247.95 = 7,949.57 : x
  2. Step 2: Convert to fraction form
    16,835.61/25,247.95 = 7,949.57/x
  3. Step 3: Cross multiply
    16,835.61x = 25,247.95 × 7,949.57
  4. Step 4: Simplify right side
    16,835.61x = 200,710,199.77
  5. Step 5: Solve for x
    x = 200,710,199.77/16,835.61
  6. Step 6: Final answer
    x = 11,921.77

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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.