Home / 19,258.34-28,887.41-6,111.72

Finding the Fourth Proportional to 19,258.34, 28,887.41 and 6,111.72

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Solution

The fourth proportional to 19,258.34, 28,887.41 and 6,111.72 is: 9,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.34 : 28,887.41 = 6,111.72 : x
  2. Step 2: Convert to fraction form
    19,258.34/28,887.41 = 6,111.72/x
  3. Step 3: Cross multiply
    19,258.34x = 28,887.41 × 6,111.72
  4. Step 4: Simplify right side
    19,258.34x = 176,551,776.72
  5. Step 5: Solve for x
    x = 176,551,776.72/19,258.34
  6. Step 6: Final answer
    x = 9,167.55

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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.