Home / 15,782.81-23,677.85-4,689.24

Finding the Fourth Proportional to 15,782.81, 23,677.85 and 4,689.24

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Solution

The fourth proportional to 15,782.81, 23,677.85 and 4,689.24 is: 7,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.81 : 23,677.85 = 4,689.24 : x
  2. Step 2: Convert to fraction form
    15,782.81/23,677.85 = 4,689.24/x
  3. Step 3: Cross multiply
    15,782.81x = 23,677.85 × 4,689.24
  4. Step 4: Simplify right side
    15,782.81x = 111,031,097.89
  5. Step 5: Solve for x
    x = 111,031,097.89/15,782.81
  6. Step 6: Final answer
    x = 7,034.94

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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.