Home / 16,862.36-23,271.47-9,309.39

Finding the Fourth Proportional to 16,862.36, 23,271.47 and 9,309.39

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Solution

The fourth proportional to 16,862.36, 23,271.47 and 9,309.39 is: 12,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.36 : 23,271.47 = 9,309.39 : x
  2. Step 2: Convert to fraction form
    16,862.36/23,271.47 = 9,309.39/x
  3. Step 3: Cross multiply
    16,862.36x = 23,271.47 × 9,309.39
  4. Step 4: Simplify right side
    16,862.36x = 216,643,143.56
  5. Step 5: Solve for x
    x = 216,643,143.56/16,862.36
  6. Step 6: Final answer
    x = 12,847.74

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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.