Home / 19,290.54-26,619.93-10,906.50

Finding the Fourth Proportional to 19,290.54, 26,619.93 and 10,906.50

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Solution

The fourth proportional to 19,290.54, 26,619.93 and 10,906.50 is: 15,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.54 : 26,619.93 = 10,906.50 : x
  2. Step 2: Convert to fraction form
    19,290.54/26,619.93 = 10,906.50/x
  3. Step 3: Cross multiply
    19,290.54x = 26,619.93 × 10,906.50
  4. Step 4: Simplify right side
    19,290.54x = 290,330,266.55
  5. Step 5: Solve for x
    x = 290,330,266.55/19,290.54
  6. Step 6: Final answer
    x = 15,050.40

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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.