Home / 19,615.42-29,420.24-6,466.08

Finding the Fourth Proportional to 19,615.42, 29,420.24 and 6,466.08

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Solution

The fourth proportional to 19,615.42, 29,420.24 and 6,466.08 is: 9,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.42 : 29,420.24 = 6,466.08 : x
  2. Step 2: Convert to fraction form
    19,615.42/29,420.24 = 6,466.08/x
  3. Step 3: Cross multiply
    19,615.42x = 29,420.24 × 6,466.08
  4. Step 4: Simplify right side
    19,615.42x = 190,233,556.15
  5. Step 5: Solve for x
    x = 190,233,556.15/19,615.42
  6. Step 6: Final answer
    x = 9,698.17

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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.