Home / 19,000.74-28,503.84-5,851.40

Finding the Fourth Proportional to 19,000.74, 28,503.84 and 5,851.40

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Solution

The fourth proportional to 19,000.74, 28,503.84 and 5,851.40 is: 8,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.74 : 28,503.84 = 5,851.40 : x
  2. Step 2: Convert to fraction form
    19,000.74/28,503.84 = 5,851.40/x
  3. Step 3: Cross multiply
    19,000.74x = 28,503.84 × 5,851.40
  4. Step 4: Simplify right side
    19,000.74x = 166,787,369.38
  5. Step 5: Solve for x
    x = 166,787,369.38/19,000.74
  6. Step 6: Final answer
    x = 8,777.94

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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.