Home / 18,903.08-28,374.46-9,050.60

Finding the Fourth Proportional to 18,903.08, 28,374.46 and 9,050.60

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Solution

The fourth proportional to 18,903.08, 28,374.46 and 9,050.60 is: 13,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.08 : 28,374.46 = 9,050.60 : x
  2. Step 2: Convert to fraction form
    18,903.08/28,374.46 = 9,050.60/x
  3. Step 3: Cross multiply
    18,903.08x = 28,374.46 × 9,050.60
  4. Step 4: Simplify right side
    18,903.08x = 256,805,887.68
  5. Step 5: Solve for x
    x = 256,805,887.68/18,903.08
  6. Step 6: Final answer
    x = 13,585.40

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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.