Home / 19,069.90-28,607.13-7,225.54

Finding the Fourth Proportional to 19,069.90, 28,607.13 and 7,225.54

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Solution

The fourth proportional to 19,069.90, 28,607.13 and 7,225.54 is: 10,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.90 : 28,607.13 = 7,225.54 : x
  2. Step 2: Convert to fraction form
    19,069.90/28,607.13 = 7,225.54/x
  3. Step 3: Cross multiply
    19,069.90x = 28,607.13 × 7,225.54
  4. Step 4: Simplify right side
    19,069.90x = 206,701,962.10
  5. Step 5: Solve for x
    x = 206,701,962.10/19,069.90
  6. Step 6: Final answer
    x = 10,839.17

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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.