Home / 15,435.86-23,153.57-3,749.18

Finding the Fourth Proportional to 15,435.86, 23,153.57 and 3,749.18

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Solution

The fourth proportional to 15,435.86, 23,153.57 and 3,749.18 is: 5,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.86 : 23,153.57 = 3,749.18 : x
  2. Step 2: Convert to fraction form
    15,435.86/23,153.57 = 3,749.18/x
  3. Step 3: Cross multiply
    15,435.86x = 23,153.57 × 3,749.18
  4. Step 4: Simplify right side
    15,435.86x = 86,806,767.06
  5. Step 5: Solve for x
    x = 86,806,767.06/15,435.86
  6. Step 6: Final answer
    x = 5,623.71

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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.