Home / 13,087.65-19,636.69-4,768.23

Finding the Fourth Proportional to 13,087.65, 19,636.69 and 4,768.23

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Solution

The fourth proportional to 13,087.65, 19,636.69 and 4,768.23 is: 7,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.65 : 19,636.69 = 4,768.23 : x
  2. Step 2: Convert to fraction form
    13,087.65/19,636.69 = 4,768.23/x
  3. Step 3: Cross multiply
    13,087.65x = 19,636.69 × 4,768.23
  4. Step 4: Simplify right side
    13,087.65x = 93,632,254.36
  5. Step 5: Solve for x
    x = 93,632,254.36/13,087.65
  6. Step 6: Final answer
    x = 7,154.24

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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.