Home / 19,670.08-29,509.44-5,820.16

Finding the Fourth Proportional to 19,670.08, 29,509.44 and 5,820.16

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Solution

The fourth proportional to 19,670.08, 29,509.44 and 5,820.16 is: 8,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.08 : 29,509.44 = 5,820.16 : x
  2. Step 2: Convert to fraction form
    19,670.08/29,509.44 = 5,820.16/x
  3. Step 3: Cross multiply
    19,670.08x = 29,509.44 × 5,820.16
  4. Step 4: Simplify right side
    19,670.08x = 171,749,662.31
  5. Step 5: Solve for x
    x = 171,749,662.31/19,670.08
  6. Step 6: Final answer
    x = 8,731.52

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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.