Home / 17,420.76-26,130.74-4,273.07

Finding the Fourth Proportional to 17,420.76, 26,130.74 and 4,273.07

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Solution

The fourth proportional to 17,420.76, 26,130.74 and 4,273.07 is: 6,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.76 : 26,130.74 = 4,273.07 : x
  2. Step 2: Convert to fraction form
    17,420.76/26,130.74 = 4,273.07/x
  3. Step 3: Cross multiply
    17,420.76x = 26,130.74 × 4,273.07
  4. Step 4: Simplify right side
    17,420.76x = 111,658,329.15
  5. Step 5: Solve for x
    x = 111,658,329.15/17,420.76
  6. Step 6: Final answer
    x = 6,409.50

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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.