Home / 12,903.67-19,358.97-10,281.07

Finding the Fourth Proportional to 12,903.67, 19,358.97 and 10,281.07

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Solution

The fourth proportional to 12,903.67, 19,358.97 and 10,281.07 is: 15,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.67 : 19,358.97 = 10,281.07 : x
  2. Step 2: Convert to fraction form
    12,903.67/19,358.97 = 10,281.07/x
  3. Step 3: Cross multiply
    12,903.67x = 19,358.97 × 10,281.07
  4. Step 4: Simplify right side
    12,903.67x = 199,030,874.29
  5. Step 5: Solve for x
    x = 199,030,874.29/12,903.67
  6. Step 6: Final answer
    x = 15,424.37

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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.