Home / 10,775.47-14,864.08-6,467.45

Finding the Fourth Proportional to 10,775.47, 14,864.08 and 6,467.45

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Solution

The fourth proportional to 10,775.47, 14,864.08 and 6,467.45 is: 8,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.47 : 14,864.08 = 6,467.45 : x
  2. Step 2: Convert to fraction form
    10,775.47/14,864.08 = 6,467.45/x
  3. Step 3: Cross multiply
    10,775.47x = 14,864.08 × 6,467.45
  4. Step 4: Simplify right side
    10,775.47x = 96,132,739.44
  5. Step 5: Solve for x
    x = 96,132,739.44/10,775.47
  6. Step 6: Final answer
    x = 8,921.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.