Home / 19,030.40-28,546.04-6,564.80

Finding the Fourth Proportional to 19,030.40, 28,546.04 and 6,564.80

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Solution

The fourth proportional to 19,030.40, 28,546.04 and 6,564.80 is: 9,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.40 : 28,546.04 = 6,564.80 : x
  2. Step 2: Convert to fraction form
    19,030.40/28,546.04 = 6,564.80/x
  3. Step 3: Cross multiply
    19,030.40x = 28,546.04 × 6,564.80
  4. Step 4: Simplify right side
    19,030.40x = 187,399,043.39
  5. Step 5: Solve for x
    x = 187,399,043.39/19,030.40
  6. Step 6: Final answer
    x = 9,847.35

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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.