Home / 12,681.54-18,998.58-10,614.81

Finding the Fourth Proportional to 12,681.54, 18,998.58 and 10,614.81

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Solution

The fourth proportional to 12,681.54, 18,998.58 and 10,614.81 is: 15,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681.54 : 18,998.58 = 10,614.81 : x
  2. Step 2: Convert to fraction form
    12,681.54/18,998.58 = 10,614.81/x
  3. Step 3: Cross multiply
    12,681.54x = 18,998.58 × 10,614.81
  4. Step 4: Simplify right side
    12,681.54x = 201,666,316.97
  5. Step 5: Solve for x
    x = 201,666,316.97/12,681.54
  6. Step 6: Final answer
    x = 15,902.35

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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.