Home / 19,294.21-28,946.80-6,147.60

Finding the Fourth Proportional to 19,294.21, 28,946.80 and 6,147.60

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Solution

The fourth proportional to 19,294.21, 28,946.80 and 6,147.60 is: 9,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.21 : 28,946.80 = 6,147.60 : x
  2. Step 2: Convert to fraction form
    19,294.21/28,946.80 = 6,147.60/x
  3. Step 3: Cross multiply
    19,294.21x = 28,946.80 × 6,147.60
  4. Step 4: Simplify right side
    19,294.21x = 177,953,347.68
  5. Step 5: Solve for x
    x = 177,953,347.68/19,294.21
  6. Step 6: Final answer
    x = 9,223.15

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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.