Home / 12,270.62-18,407.76-5,697.48

Finding the Fourth Proportional to 12,270.62, 18,407.76 and 5,697.48

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Solution

The fourth proportional to 12,270.62, 18,407.76 and 5,697.48 is: 8,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.62 : 18,407.76 = 5,697.48 : x
  2. Step 2: Convert to fraction form
    12,270.62/18,407.76 = 5,697.48/x
  3. Step 3: Cross multiply
    12,270.62x = 18,407.76 × 5,697.48
  4. Step 4: Simplify right side
    12,270.62x = 104,877,844.44
  5. Step 5: Solve for x
    x = 104,877,844.44/12,270.62
  6. Step 6: Final answer
    x = 8,547.07

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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.