Home / 10,283.54-15,404.76-4,729.28

Finding the Fourth Proportional to 10,283.54, 15,404.76 and 4,729.28

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Solution

The fourth proportional to 10,283.54, 15,404.76 and 4,729.28 is: 7,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.54 : 15,404.76 = 4,729.28 : x
  2. Step 2: Convert to fraction form
    10,283.54/15,404.76 = 4,729.28/x
  3. Step 3: Cross multiply
    10,283.54x = 15,404.76 × 4,729.28
  4. Step 4: Simplify right side
    10,283.54x = 72,853,423.37
  5. Step 5: Solve for x
    x = 72,853,423.37/10,283.54
  6. Step 6: Final answer
    x = 7,084.47

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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.