Home / 19,114.64-28,670.16-6,632.72

Finding the Fourth Proportional to 19,114.64, 28,670.16 and 6,632.72

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Solution

The fourth proportional to 19,114.64, 28,670.16 and 6,632.72 is: 9,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.64 : 28,670.16 = 6,632.72 : x
  2. Step 2: Convert to fraction form
    19,114.64/28,670.16 = 6,632.72/x
  3. Step 3: Cross multiply
    19,114.64x = 28,670.16 × 6,632.72
  4. Step 4: Simplify right side
    19,114.64x = 190,161,143.64
  5. Step 5: Solve for x
    x = 190,161,143.64/19,114.64
  6. Step 6: Final answer
    x = 9,948.46

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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.