Home / 19,105.62-26,364.30-10,720.50

Finding the Fourth Proportional to 19,105.62, 26,364.30 and 10,720.50

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Solution

The fourth proportional to 19,105.62, 26,364.30 and 10,720.50 is: 14,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.62 : 26,364.30 = 10,720.50 : x
  2. Step 2: Convert to fraction form
    19,105.62/26,364.30 = 10,720.50/x
  3. Step 3: Cross multiply
    19,105.62x = 26,364.30 × 10,720.50
  4. Step 4: Simplify right side
    19,105.62x = 282,638,478.15
  5. Step 5: Solve for x
    x = 282,638,478.15/19,105.62
  6. Step 6: Final answer
    x = 14,793.47

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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.