Home / 15,928.45-23,886.70-4,680.38

Finding the Fourth Proportional to 15,928.45, 23,886.70 and 4,680.38

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Solution

The fourth proportional to 15,928.45, 23,886.70 and 4,680.38 is: 7,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.45 : 23,886.70 = 4,680.38 : x
  2. Step 2: Convert to fraction form
    15,928.45/23,886.70 = 4,680.38/x
  3. Step 3: Cross multiply
    15,928.45x = 23,886.70 × 4,680.38
  4. Step 4: Simplify right side
    15,928.45x = 111,798,880.96
  5. Step 5: Solve for x
    x = 111,798,880.96/15,928.45
  6. Step 6: Final answer
    x = 7,018.82

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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.