Home / 10,270.29-14,172.98-5,554.65

Finding the Fourth Proportional to 10,270.29, 14,172.98 and 5,554.65

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Solution

The fourth proportional to 10,270.29, 14,172.98 and 5,554.65 is: 7,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.29 : 14,172.98 = 5,554.65 : x
  2. Step 2: Convert to fraction form
    10,270.29/14,172.98 = 5,554.65/x
  3. Step 3: Cross multiply
    10,270.29x = 14,172.98 × 5,554.65
  4. Step 4: Simplify right side
    10,270.29x = 78,725,915.58
  5. Step 5: Solve for x
    x = 78,725,915.58/10,270.29
  6. Step 6: Final answer
    x = 7,665.40

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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.