Home / 13,495.07-18,616.57-9,019.96

Finding the Fourth Proportional to 13,495.07, 18,616.57 and 9,019.96

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Solution

The fourth proportional to 13,495.07, 18,616.57 and 9,019.96 is: 12,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.07 : 18,616.57 = 9,019.96 : x
  2. Step 2: Convert to fraction form
    13,495.07/18,616.57 = 9,019.96/x
  3. Step 3: Cross multiply
    13,495.07x = 18,616.57 × 9,019.96
  4. Step 4: Simplify right side
    13,495.07x = 167,920,647.65
  5. Step 5: Solve for x
    x = 167,920,647.65/13,495.07
  6. Step 6: Final answer
    x = 12,443.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.