Home / 15,721.07-23,583.95-5,192.21

Finding the Fourth Proportional to 15,721.07, 23,583.95 and 5,192.21

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Solution

The fourth proportional to 15,721.07, 23,583.95 and 5,192.21 is: 7,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.07 : 23,583.95 = 5,192.21 : x
  2. Step 2: Convert to fraction form
    15,721.07/23,583.95 = 5,192.21/x
  3. Step 3: Cross multiply
    15,721.07x = 23,583.95 × 5,192.21
  4. Step 4: Simplify right side
    15,721.07x = 122,452,703.11
  5. Step 5: Solve for x
    x = 122,452,703.11/15,721.07
  6. Step 6: Final answer
    x = 7,789.08

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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.