Home / 10,235.90-15,341.40-5,782.52

Finding the Fourth Proportional to 10,235.90, 15,341.40 and 5,782.52

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Solution

The fourth proportional to 10,235.90, 15,341.40 and 5,782.52 is: 8,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.90 : 15,341.40 = 5,782.52 : x
  2. Step 2: Convert to fraction form
    10,235.90/15,341.40 = 5,782.52/x
  3. Step 3: Cross multiply
    10,235.90x = 15,341.40 × 5,782.52
  4. Step 4: Simplify right side
    10,235.90x = 88,711,952.33
  5. Step 5: Solve for x
    x = 88,711,952.33/10,235.90
  6. Step 6: Final answer
    x = 8,666.75

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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.