Home / 12,681.53-18,998.59-10,614.81

Finding the Fourth Proportional to 12,681.53, 18,998.59 and 10,614.81

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Solution

The fourth proportional to 12,681.53, 18,998.59 and 10,614.81 is: 15,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681.53 : 18,998.59 = 10,614.81 : x
  2. Step 2: Convert to fraction form
    12,681.53/18,998.59 = 10,614.81/x
  3. Step 3: Cross multiply
    12,681.53x = 18,998.59 × 10,614.81
  4. Step 4: Simplify right side
    12,681.53x = 201,666,423.12
  5. Step 5: Solve for x
    x = 201,666,423.12/12,681.53
  6. Step 6: Final answer
    x = 15,902.37

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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.