Home / 19,478.08-26,877.60-11,094.40

Finding the Fourth Proportional to 19,478.08, 26,877.60 and 11,094.40

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Solution

The fourth proportional to 19,478.08, 26,877.60 and 11,094.40 is: 15,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.08 : 26,877.60 = 11,094.40 : x
  2. Step 2: Convert to fraction form
    19,478.08/26,877.60 = 11,094.40/x
  3. Step 3: Cross multiply
    19,478.08x = 26,877.60 × 11,094.40
  4. Step 4: Simplify right side
    19,478.08x = 298,190,845.44
  5. Step 5: Solve for x
    x = 298,190,845.44/19,478.08
  6. Step 6: Final answer
    x = 15,309.05

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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.