Home / 25,188.06-37,782.09-12,000.45

Finding the Fourth Proportional to 25,188.06, 37,782.09 and 12,000.45

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Solution

The fourth proportional to 25,188.06, 37,782.09 and 12,000.45 is: 18,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.06 : 37,782.09 = 12,000.45 : x
  2. Step 2: Convert to fraction form
    25,188.06/37,782.09 = 12,000.45/x
  3. Step 3: Cross multiply
    25,188.06x = 37,782.09 × 12,000.45
  4. Step 4: Simplify right side
    25,188.06x = 453,402,081.94
  5. Step 5: Solve for x
    x = 453,402,081.94/25,188.06
  6. Step 6: Final answer
    x = 18,000.68

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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.