Home / 10,277.76-15,437.69-6,772.80

Finding the Fourth Proportional to 10,277.76, 15,437.69 and 6,772.80

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Solution

The fourth proportional to 10,277.76, 15,437.69 and 6,772.80 is: 10,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.76 : 15,437.69 = 6,772.80 : x
  2. Step 2: Convert to fraction form
    10,277.76/15,437.69 = 6,772.80/x
  3. Step 3: Cross multiply
    10,277.76x = 15,437.69 × 6,772.80
  4. Step 4: Simplify right side
    10,277.76x = 104,556,386.83
  5. Step 5: Solve for x
    x = 104,556,386.83/10,277.76
  6. Step 6: Final answer
    x = 10,173.07

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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.