Home / 18,743.75-25,858.95-12,373.61

Finding the Fourth Proportional to 18,743.75, 25,858.95 and 12,373.61

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Solution

The fourth proportional to 18,743.75, 25,858.95 and 12,373.61 is: 17,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.75 : 25,858.95 = 12,373.61 : x
  2. Step 2: Convert to fraction form
    18,743.75/25,858.95 = 12,373.61/x
  3. Step 3: Cross multiply
    18,743.75x = 25,858.95 × 12,373.61
  4. Step 4: Simplify right side
    18,743.75x = 319,968,532.07
  5. Step 5: Solve for x
    x = 319,968,532.07/18,743.75
  6. Step 6: Final answer
    x = 17,070.67

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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.