Home / 15,783.32-23,667.69-5,915.54

Finding the Fourth Proportional to 15,783.32, 23,667.69 and 5,915.54

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Solution

The fourth proportional to 15,783.32, 23,667.69 and 5,915.54 is: 8,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.32 : 23,667.69 = 5,915.54 : x
  2. Step 2: Convert to fraction form
    15,783.32/23,667.69 = 5,915.54/x
  3. Step 3: Cross multiply
    15,783.32x = 23,667.69 × 5,915.54
  4. Step 4: Simplify right side
    15,783.32x = 140,007,166.90
  5. Step 5: Solve for x
    x = 140,007,166.90/15,783.32
  6. Step 6: Final answer
    x = 8,870.58

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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.