Home / 13,321.17-18,460.95-13,133.25

Finding the Fourth Proportional to 13,321.17, 18,460.95 and 13,133.25

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Solution

The fourth proportional to 13,321.17, 18,460.95 and 13,133.25 is: 18,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321.17 : 18,460.95 = 13,133.25 : x
  2. Step 2: Convert to fraction form
    13,321.17/18,460.95 = 13,133.25/x
  3. Step 3: Cross multiply
    13,321.17x = 18,460.95 × 13,133.25
  4. Step 4: Simplify right side
    13,321.17x = 242,452,271.59
  5. Step 5: Solve for x
    x = 242,452,271.59/13,321.17
  6. Step 6: Final answer
    x = 18,200.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.