Home / 22,830.62-31,506.16-12,759.06

Finding the Fourth Proportional to 22,830.62, 31,506.16 and 12,759.06

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Solution

The fourth proportional to 22,830.62, 31,506.16 and 12,759.06 is: 17,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,830.62 : 31,506.16 = 12,759.06 : x
  2. Step 2: Convert to fraction form
    22,830.62/31,506.16 = 12,759.06/x
  3. Step 3: Cross multiply
    22,830.62x = 31,506.16 × 12,759.06
  4. Step 4: Simplify right side
    22,830.62x = 401,988,918.76
  5. Step 5: Solve for x
    x = 401,988,918.76/22,830.62
  6. Step 6: Final answer
    x = 17,607.45

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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.