Home / 19,384.08-29,090.61-7,539.72

Finding the Fourth Proportional to 19,384.08, 29,090.61 and 7,539.72

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Solution

The fourth proportional to 19,384.08, 29,090.61 and 7,539.72 is: 11,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.08 : 29,090.61 = 7,539.72 : x
  2. Step 2: Convert to fraction form
    19,384.08/29,090.61 = 7,539.72/x
  3. Step 3: Cross multiply
    19,384.08x = 29,090.61 × 7,539.72
  4. Step 4: Simplify right side
    19,384.08x = 219,335,054.03
  5. Step 5: Solve for x
    x = 219,335,054.03/19,384.08
  6. Step 6: Final answer
    x = 11,315.22

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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.