Home / 18,906.09-26,090.46-10,407.93

Finding the Fourth Proportional to 18,906.09, 26,090.46 and 10,407.93

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Solution

The fourth proportional to 18,906.09, 26,090.46 and 10,407.93 is: 14,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.09 : 26,090.46 = 10,407.93 : x
  2. Step 2: Convert to fraction form
    18,906.09/26,090.46 = 10,407.93/x
  3. Step 3: Cross multiply
    18,906.09x = 26,090.46 × 10,407.93
  4. Step 4: Simplify right side
    18,906.09x = 271,547,681.35
  5. Step 5: Solve for x
    x = 271,547,681.35/18,906.09
  6. Step 6: Final answer
    x = 14,362.97

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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.