Home / 15,696.54-23,521.23-14,214.78

Finding the Fourth Proportional to 15,696.54, 23,521.23 and 14,214.78

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Solution

The fourth proportional to 15,696.54, 23,521.23 and 14,214.78 is: 21,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.54 : 23,521.23 = 14,214.78 : x
  2. Step 2: Convert to fraction form
    15,696.54/23,521.23 = 14,214.78/x
  3. Step 3: Cross multiply
    15,696.54x = 23,521.23 × 14,214.78
  4. Step 4: Simplify right side
    15,696.54x = 334,349,109.78
  5. Step 5: Solve for x
    x = 334,349,109.78/15,696.54
  6. Step 6: Final answer
    x = 21,300.82

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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.