Home / 13,345.82-18,396.02-10,508.70

Finding the Fourth Proportional to 13,345.82, 18,396.02 and 10,508.70

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Solution

The fourth proportional to 13,345.82, 18,396.02 and 10,508.70 is: 14,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.82 : 18,396.02 = 10,508.70 : x
  2. Step 2: Convert to fraction form
    13,345.82/18,396.02 = 10,508.70/x
  3. Step 3: Cross multiply
    13,345.82x = 18,396.02 × 10,508.70
  4. Step 4: Simplify right side
    13,345.82x = 193,318,255.37
  5. Step 5: Solve for x
    x = 193,318,255.37/13,345.82
  6. Step 6: Final answer
    x = 14,485.30

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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.