Home / 15,114.96-20,862.03-8,402.94

Finding the Fourth Proportional to 15,114.96, 20,862.03 and 8,402.94

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Solution

The fourth proportional to 15,114.96, 20,862.03 and 8,402.94 is: 11,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.96 : 20,862.03 = 8,402.94 : x
  2. Step 2: Convert to fraction form
    15,114.96/20,862.03 = 8,402.94/x
  3. Step 3: Cross multiply
    15,114.96x = 20,862.03 × 8,402.94
  4. Step 4: Simplify right side
    15,114.96x = 175,302,386.37
  5. Step 5: Solve for x
    x = 175,302,386.37/15,114.96
  6. Step 6: Final answer
    x = 11,597.94

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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.