Home / 12,224.55-16,870.19-6,918.33

Finding the Fourth Proportional to 12,224.55, 16,870.19 and 6,918.33

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Solution

The fourth proportional to 12,224.55, 16,870.19 and 6,918.33 is: 9,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.55 : 16,870.19 = 6,918.33 : x
  2. Step 2: Convert to fraction form
    12,224.55/16,870.19 = 6,918.33/x
  3. Step 3: Cross multiply
    12,224.55x = 16,870.19 × 6,918.33
  4. Step 4: Simplify right side
    12,224.55x = 116,713,506.99
  5. Step 5: Solve for x
    x = 116,713,506.99/12,224.55
  6. Step 6: Final answer
    x = 9,547.47

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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.