Home / 15,783.08-23,679.06-4,689.98

Finding the Fourth Proportional to 15,783.08, 23,679.06 and 4,689.98

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Solution

The fourth proportional to 15,783.08, 23,679.06 and 4,689.98 is: 7,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.08 : 23,679.06 = 4,689.98 : x
  2. Step 2: Convert to fraction form
    15,783.08/23,679.06 = 4,689.98/x
  3. Step 3: Cross multiply
    15,783.08x = 23,679.06 × 4,689.98
  4. Step 4: Simplify right side
    15,783.08x = 111,054,217.23
  5. Step 5: Solve for x
    x = 111,054,217.23/15,783.08
  6. Step 6: Final answer
    x = 7,036.28

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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.