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Finding the Fourth Proportional to 15,373.10, 23,059.65 and 11,868.22

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Solution

The fourth proportional to 15,373.10, 23,059.65 and 11,868.22 is: 17,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.10 : 23,059.65 = 11,868.22 : x
  2. Step 2: Convert to fraction form
    15,373.10/23,059.65 = 11,868.22/x
  3. Step 3: Cross multiply
    15,373.10x = 23,059.65 × 11,868.22
  4. Step 4: Simplify right side
    15,373.10x = 273,676,999.32
  5. Step 5: Solve for x
    x = 273,676,999.32/15,373.10
  6. Step 6: Final answer
    x = 17,802.33

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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.