Home / 19,270.40-28,885.72-9,397.48

Finding the Fourth Proportional to 19,270.40, 28,885.72 and 9,397.48

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Solution

The fourth proportional to 19,270.40, 28,885.72 and 9,397.48 is: 14,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.40 : 28,885.72 = 9,397.48 : x
  2. Step 2: Convert to fraction form
    19,270.40/28,885.72 = 9,397.48/x
  3. Step 3: Cross multiply
    19,270.40x = 28,885.72 × 9,397.48
  4. Step 4: Simplify right side
    19,270.40x = 271,452,975.99
  5. Step 5: Solve for x
    x = 271,452,975.99/19,270.40
  6. Step 6: Final answer
    x = 14,086.53

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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.