Home / 18,834.84-28,254.60-5,687.16

Finding the Fourth Proportional to 18,834.84, 28,254.60 and 5,687.16

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Solution

The fourth proportional to 18,834.84, 28,254.60 and 5,687.16 is: 8,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.84 : 28,254.60 = 5,687.16 : x
  2. Step 2: Convert to fraction form
    18,834.84/28,254.60 = 5,687.16/x
  3. Step 3: Cross multiply
    18,834.84x = 28,254.60 × 5,687.16
  4. Step 4: Simplify right side
    18,834.84x = 160,688,430.94
  5. Step 5: Solve for x
    x = 160,688,430.94/18,834.84
  6. Step 6: Final answer
    x = 8,531.45

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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.