Home / 16,390.36-22,615.77-9,316.36

Finding the Fourth Proportional to 16,390.36, 22,615.77 and 9,316.36

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Solution

The fourth proportional to 16,390.36, 22,615.77 and 9,316.36 is: 12,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.36 : 22,615.77 = 9,316.36 : x
  2. Step 2: Convert to fraction form
    16,390.36/22,615.77 = 9,316.36/x
  3. Step 3: Cross multiply
    16,390.36x = 22,615.77 × 9,316.36
  4. Step 4: Simplify right side
    16,390.36x = 210,696,655.00
  5. Step 5: Solve for x
    x = 210,696,655.00/16,390.36
  6. Step 6: Final answer
    x = 12,854.91

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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.