Home / 14,055.06-19,407.16-8,685.30

Finding the Fourth Proportional to 14,055.06, 19,407.16 and 8,685.30

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Solution

The fourth proportional to 14,055.06, 19,407.16 and 8,685.30 is: 11,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.06 : 19,407.16 = 8,685.30 : x
  2. Step 2: Convert to fraction form
    14,055.06/19,407.16 = 8,685.30/x
  3. Step 3: Cross multiply
    14,055.06x = 19,407.16 × 8,685.30
  4. Step 4: Simplify right side
    14,055.06x = 168,557,090.38
  5. Step 5: Solve for x
    x = 168,557,090.38/14,055.06
  6. Step 6: Final answer
    x = 11,992.62

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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.