Home / 13,271.13-18,308.97-7,602.84

Finding the Fourth Proportional to 13,271.13, 18,308.97 and 7,602.84

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Solution

The fourth proportional to 13,271.13, 18,308.97 and 7,602.84 is: 10,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.13 : 18,308.97 = 7,602.84 : x
  2. Step 2: Convert to fraction form
    13,271.13/18,308.97 = 7,602.84/x
  3. Step 3: Cross multiply
    13,271.13x = 18,308.97 × 7,602.84
  4. Step 4: Simplify right side
    13,271.13x = 139,200,169.47
  5. Step 5: Solve for x
    x = 139,200,169.47/13,271.13
  6. Step 6: Final answer
    x = 10,488.95

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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.