Home / 19,484.87-29,231.63-9,090.95

Finding the Fourth Proportional to 19,484.87, 29,231.63 and 9,090.95

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Solution

The fourth proportional to 19,484.87, 29,231.63 and 9,090.95 is: 13,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.87 : 29,231.63 = 9,090.95 : x
  2. Step 2: Convert to fraction form
    19,484.87/29,231.63 = 9,090.95/x
  3. Step 3: Cross multiply
    19,484.87x = 29,231.63 × 9,090.95
  4. Step 4: Simplify right side
    19,484.87x = 265,743,095.14
  5. Step 5: Solve for x
    x = 265,743,095.14/19,484.87
  6. Step 6: Final answer
    x = 13,638.44

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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.