Home / 19,002.40-28,504.04-6,536.80

Finding the Fourth Proportional to 19,002.40, 28,504.04 and 6,536.80

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Solution

The fourth proportional to 19,002.40, 28,504.04 and 6,536.80 is: 9,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.40 : 28,504.04 = 6,536.80 : x
  2. Step 2: Convert to fraction form
    19,002.40/28,504.04 = 6,536.80/x
  3. Step 3: Cross multiply
    19,002.40x = 28,504.04 × 6,536.80
  4. Step 4: Simplify right side
    19,002.40x = 186,325,208.67
  5. Step 5: Solve for x
    x = 186,325,208.67/19,002.40
  6. Step 6: Final answer
    x = 9,805.35

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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.