Home / 15,715.26-23,573.63-5,186.20

Finding the Fourth Proportional to 15,715.26, 23,573.63 and 5,186.20

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Solution

The fourth proportional to 15,715.26, 23,573.63 and 5,186.20 is: 7,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.26 : 23,573.63 = 5,186.20 : x
  2. Step 2: Convert to fraction form
    15,715.26/23,573.63 = 5,186.20/x
  3. Step 3: Cross multiply
    15,715.26x = 23,573.63 × 5,186.20
  4. Step 4: Simplify right side
    15,715.26x = 122,257,618.84
  5. Step 5: Solve for x
    x = 122,257,618.84/15,715.26
  6. Step 6: Final answer
    x = 7,779.55

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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.