Home / 19,258.21-28,887.23-6,111.60

Finding the Fourth Proportional to 19,258.21, 28,887.23 and 6,111.60

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Solution

The fourth proportional to 19,258.21, 28,887.23 and 6,111.60 is: 9,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.21 : 28,887.23 = 6,111.60 : x
  2. Step 2: Convert to fraction form
    19,258.21/28,887.23 = 6,111.60/x
  3. Step 3: Cross multiply
    19,258.21x = 28,887.23 × 6,111.60
  4. Step 4: Simplify right side
    19,258.21x = 176,547,194.87
  5. Step 5: Solve for x
    x = 176,547,194.87/19,258.21
  6. Step 6: Final answer
    x = 9,167.38

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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.