Home / 11,458.65-17,158.80-7,551.21

Finding the Fourth Proportional to 11,458.65, 17,158.80 and 7,551.21

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Solution

The fourth proportional to 11,458.65, 17,158.80 and 7,551.21 is: 11,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.65 : 17,158.80 = 7,551.21 : x
  2. Step 2: Convert to fraction form
    11,458.65/17,158.80 = 7,551.21/x
  3. Step 3: Cross multiply
    11,458.65x = 17,158.80 × 7,551.21
  4. Step 4: Simplify right side
    11,458.65x = 129,569,702.15
  5. Step 5: Solve for x
    x = 129,569,702.15/11,458.65
  6. Step 6: Final answer
    x = 11,307.59

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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.