Home / 15,841.50-21,861.27-9,554.46

Finding the Fourth Proportional to 15,841.50, 21,861.27 and 9,554.46

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Solution

The fourth proportional to 15,841.50, 21,861.27 and 9,554.46 is: 13,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.50 : 21,861.27 = 9,554.46 : x
  2. Step 2: Convert to fraction form
    15,841.50/21,861.27 = 9,554.46/x
  3. Step 3: Cross multiply
    15,841.50x = 21,861.27 × 9,554.46
  4. Step 4: Simplify right side
    15,841.50x = 208,872,629.76
  5. Step 5: Solve for x
    x = 208,872,629.76/15,841.50
  6. Step 6: Final answer
    x = 13,185.15

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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.