Home / 15,359.57-23,043-4,971.32

Finding the Fourth Proportional to 15,359.57, 23,043 and 4,971.32

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Solution

The fourth proportional to 15,359.57, 23,043 and 4,971.32 is: 7,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359.57 : 23,043 = 4,971.32 : x
  2. Step 2: Convert to fraction form
    15,359.57/23,043 = 4,971.32/x
  3. Step 3: Cross multiply
    15,359.57x = 23,043 × 4,971.32
  4. Step 4: Simplify right side
    15,359.57x = 114,554,011.55
  5. Step 5: Solve for x
    x = 114,554,011.55/15,359.57
  6. Step 6: Final answer
    x = 7,458.15

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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.