Home / 17,851.04-26,771.05-12,339.80

Finding the Fourth Proportional to 17,851.04, 26,771.05 and 12,339.80

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Solution

The fourth proportional to 17,851.04, 26,771.05 and 12,339.80 is: 18,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.04 : 26,771.05 = 12,339.80 : x
  2. Step 2: Convert to fraction form
    17,851.04/26,771.05 = 12,339.80/x
  3. Step 3: Cross multiply
    17,851.04x = 26,771.05 × 12,339.80
  4. Step 4: Simplify right side
    17,851.04x = 330,349,402.79
  5. Step 5: Solve for x
    x = 330,349,402.79/17,851.04
  6. Step 6: Final answer
    x = 18,505.89

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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.