Home / 19,206.84-28,810.80-5,880.12

Finding the Fourth Proportional to 19,206.84, 28,810.80 and 5,880.12

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Solution

The fourth proportional to 19,206.84, 28,810.80 and 5,880.12 is: 8,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.84 : 28,810.80 = 5,880.12 : x
  2. Step 2: Convert to fraction form
    19,206.84/28,810.80 = 5,880.12/x
  3. Step 3: Cross multiply
    19,206.84x = 28,810.80 × 5,880.12
  4. Step 4: Simplify right side
    19,206.84x = 169,410,961.30
  5. Step 5: Solve for x
    x = 169,410,961.30/19,206.84
  6. Step 6: Final answer
    x = 8,820.35

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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.