Home / 15,696.49-21,661.05-8,526.34

Finding the Fourth Proportional to 15,696.49, 21,661.05 and 8,526.34

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Solution

The fourth proportional to 15,696.49, 21,661.05 and 8,526.34 is: 11,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.49 : 21,661.05 = 8,526.34 : x
  2. Step 2: Convert to fraction form
    15,696.49/21,661.05 = 8,526.34/x
  3. Step 3: Cross multiply
    15,696.49x = 21,661.05 × 8,526.34
  4. Step 4: Simplify right side
    15,696.49x = 184,689,368.75
  5. Step 5: Solve for x
    x = 184,689,368.75/15,696.49
  6. Step 6: Final answer
    x = 11,766.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.