Home / 18,941.34-28,420.21-10,166.01

Finding the Fourth Proportional to 18,941.34, 28,420.21 and 10,166.01

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Solution

The fourth proportional to 18,941.34, 28,420.21 and 10,166.01 is: 15,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.34 : 28,420.21 = 10,166.01 : x
  2. Step 2: Convert to fraction form
    18,941.34/28,420.21 = 10,166.01/x
  3. Step 3: Cross multiply
    18,941.34x = 28,420.21 × 10,166.01
  4. Step 4: Simplify right side
    18,941.34x = 288,920,139.06
  5. Step 5: Solve for x
    x = 288,920,139.06/18,941.34
  6. Step 6: Final answer
    x = 15,253.42

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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.