Home / 12,718.02-19,051.11-5,319.48

Finding the Fourth Proportional to 12,718.02, 19,051.11 and 5,319.48

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Solution

The fourth proportional to 12,718.02, 19,051.11 and 5,319.48 is: 7,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.02 : 19,051.11 = 5,319.48 : x
  2. Step 2: Convert to fraction form
    12,718.02/19,051.11 = 5,319.48/x
  3. Step 3: Cross multiply
    12,718.02x = 19,051.11 × 5,319.48
  4. Step 4: Simplify right side
    12,718.02x = 101,341,998.62
  5. Step 5: Solve for x
    x = 101,341,998.62/12,718.02
  6. Step 6: Final answer
    x = 7,968.38

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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.