Home / 13,276.61-18,329.60-11,800.52

Finding the Fourth Proportional to 13,276.61, 18,329.60 and 11,800.52

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Solution

The fourth proportional to 13,276.61, 18,329.60 and 11,800.52 is: 16,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.61 : 18,329.60 = 11,800.52 : x
  2. Step 2: Convert to fraction form
    13,276.61/18,329.60 = 11,800.52/x
  3. Step 3: Cross multiply
    13,276.61x = 18,329.60 × 11,800.52
  4. Step 4: Simplify right side
    13,276.61x = 216,298,752.39
  5. Step 5: Solve for x
    x = 216,298,752.39/13,276.61
  6. Step 6: Final answer
    x = 16,291.72

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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.