Home / 18,941.84-28,420.96-10,166.51

Finding the Fourth Proportional to 18,941.84, 28,420.96 and 10,166.51

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Solution

The fourth proportional to 18,941.84, 28,420.96 and 10,166.51 is: 15,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.84 : 28,420.96 = 10,166.51 : x
  2. Step 2: Convert to fraction form
    18,941.84/28,420.96 = 10,166.51/x
  3. Step 3: Cross multiply
    18,941.84x = 28,420.96 × 10,166.51
  4. Step 4: Simplify right side
    18,941.84x = 288,941,806.53
  5. Step 5: Solve for x
    x = 288,941,806.53/18,941.84
  6. Step 6: Final answer
    x = 15,254.16

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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.