Home / 18,345.60-27,518.40-14,627.70

Finding the Fourth Proportional to 18,345.60, 27,518.40 and 14,627.70

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Solution

The fourth proportional to 18,345.60, 27,518.40 and 14,627.70 is: 21,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.60 : 27,518.40 = 14,627.70 : x
  2. Step 2: Convert to fraction form
    18,345.60/27,518.40 = 14,627.70/x
  3. Step 3: Cross multiply
    18,345.60x = 27,518.40 × 14,627.70
  4. Step 4: Simplify right side
    18,345.60x = 402,530,899.68
  5. Step 5: Solve for x
    x = 402,530,899.68/18,345.60
  6. Step 6: Final answer
    x = 21,941.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.