Home / 16,863.81-23,271.04-9,309.95

Finding the Fourth Proportional to 16,863.81, 23,271.04 and 9,309.95

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Solution

The fourth proportional to 16,863.81, 23,271.04 and 9,309.95 is: 12,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.81 : 23,271.04 = 9,309.95 : x
  2. Step 2: Convert to fraction form
    16,863.81/23,271.04 = 9,309.95/x
  3. Step 3: Cross multiply
    16,863.81x = 23,271.04 × 9,309.95
  4. Step 4: Simplify right side
    16,863.81x = 216,652,201.40
  5. Step 5: Solve for x
    x = 216,652,201.40/16,863.81
  6. Step 6: Final answer
    x = 12,847.17

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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.