Home / 11,518.63-17,280.18-4,498.36

Finding the Fourth Proportional to 11,518.63, 17,280.18 and 4,498.36

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Solution

The fourth proportional to 11,518.63, 17,280.18 and 4,498.36 is: 6,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.63 : 17,280.18 = 4,498.36 : x
  2. Step 2: Convert to fraction form
    11,518.63/17,280.18 = 4,498.36/x
  3. Step 3: Cross multiply
    11,518.63x = 17,280.18 × 4,498.36
  4. Step 4: Simplify right side
    11,518.63x = 77,732,427.30
  5. Step 5: Solve for x
    x = 77,732,427.30/11,518.63
  6. Step 6: Final answer
    x = 6,748.41

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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.