Home / 10,188.87-15,283.36-4,638.33

Finding the Fourth Proportional to 10,188.87, 15,283.36 and 4,638.33

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Solution

The fourth proportional to 10,188.87, 15,283.36 and 4,638.33 is: 6,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.87 : 15,283.36 = 4,638.33 : x
  2. Step 2: Convert to fraction form
    10,188.87/15,283.36 = 4,638.33/x
  3. Step 3: Cross multiply
    10,188.87x = 15,283.36 × 4,638.33
  4. Step 4: Simplify right side
    10,188.87x = 70,889,303.35
  5. Step 5: Solve for x
    x = 70,889,303.35/10,188.87
  6. Step 6: Final answer
    x = 6,957.52

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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.