Home / 11,818.63-17,740.91-4,897.99

Finding the Fourth Proportional to 11,818.63, 17,740.91 and 4,897.99

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Solution

The fourth proportional to 11,818.63, 17,740.91 and 4,897.99 is: 7,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.63 : 17,740.91 = 4,897.99 : x
  2. Step 2: Convert to fraction form
    11,818.63/17,740.91 = 4,897.99/x
  3. Step 3: Cross multiply
    11,818.63x = 17,740.91 × 4,897.99
  4. Step 4: Simplify right side
    11,818.63x = 86,894,799.77
  5. Step 5: Solve for x
    x = 86,894,799.77/11,818.63
  6. Step 6: Final answer
    x = 7,352.36

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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.