Home / 15,696.21-23,541.71-5,166.35

Finding the Fourth Proportional to 15,696.21, 23,541.71 and 5,166.35

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Solution

The fourth proportional to 15,696.21, 23,541.71 and 5,166.35 is: 7,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.21 : 23,541.71 = 5,166.35 : x
  2. Step 2: Convert to fraction form
    15,696.21/23,541.71 = 5,166.35/x
  3. Step 3: Cross multiply
    15,696.21x = 23,541.71 × 5,166.35
  4. Step 4: Simplify right side
    15,696.21x = 121,624,658.20
  5. Step 5: Solve for x
    x = 121,624,658.20/15,696.21
  6. Step 6: Final answer
    x = 7,748.66

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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.