Home / 10,277.52-15,437.31-6,772.55

Finding the Fourth Proportional to 10,277.52, 15,437.31 and 6,772.55

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Solution

The fourth proportional to 10,277.52, 15,437.31 and 6,772.55 is: 10,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.52 : 15,437.31 = 6,772.55 : x
  2. Step 2: Convert to fraction form
    10,277.52/15,437.31 = 6,772.55/x
  3. Step 3: Cross multiply
    10,277.52x = 15,437.31 × 6,772.55
  4. Step 4: Simplify right side
    10,277.52x = 104,549,876.65
  5. Step 5: Solve for x
    x = 104,549,876.65/10,277.52
  6. Step 6: Final answer
    x = 10,172.68

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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.