Home / 12,962.48-19,442.76-5,173.04

Finding the Fourth Proportional to 12,962.48, 19,442.76 and 5,173.04

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Solution

The fourth proportional to 12,962.48, 19,442.76 and 5,173.04 is: 7,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.48 : 19,442.76 = 5,173.04 : x
  2. Step 2: Convert to fraction form
    12,962.48/19,442.76 = 5,173.04/x
  3. Step 3: Cross multiply
    12,962.48x = 19,442.76 × 5,173.04
  4. Step 4: Simplify right side
    12,962.48x = 100,578,175.19
  5. Step 5: Solve for x
    x = 100,578,175.19/12,962.48
  6. Step 6: Final answer
    x = 7,759.18

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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.