Home / 15,603.08-23,391.45-7,278.71

Finding the Fourth Proportional to 15,603.08, 23,391.45 and 7,278.71

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Solution

The fourth proportional to 15,603.08, 23,391.45 and 7,278.71 is: 10,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.08 : 23,391.45 = 7,278.71 : x
  2. Step 2: Convert to fraction form
    15,603.08/23,391.45 = 7,278.71/x
  3. Step 3: Cross multiply
    15,603.08x = 23,391.45 × 7,278.71
  4. Step 4: Simplify right side
    15,603.08x = 170,259,464.07
  5. Step 5: Solve for x
    x = 170,259,464.07/15,603.08
  6. Step 6: Final answer
    x = 10,911.92

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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.