Home / 9,285.58-13,915.28-5,127.46

Finding the Fourth Proportional to 9,285.58, 13,915.28 and 5,127.46

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Solution

The fourth proportional to 9,285.58, 13,915.28 and 5,127.46 is: 7,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.58 : 13,915.28 = 5,127.46 : x
  2. Step 2: Convert to fraction form
    9,285.58/13,915.28 = 5,127.46/x
  3. Step 3: Cross multiply
    9,285.58x = 13,915.28 × 5,127.46
  4. Step 4: Simplify right side
    9,285.58x = 71,350,015.95
  5. Step 5: Solve for x
    x = 71,350,015.95/9,285.58
  6. Step 6: Final answer
    x = 7,683.96

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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.