Home / 10,339.52-15,501.62-3,315.45

Finding the Fourth Proportional to 10,339.52, 15,501.62 and 3,315.45

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Solution

The fourth proportional to 10,339.52, 15,501.62 and 3,315.45 is: 4,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.52 : 15,501.62 = 3,315.45 : x
  2. Step 2: Convert to fraction form
    10,339.52/15,501.62 = 3,315.45/x
  3. Step 3: Cross multiply
    10,339.52x = 15,501.62 × 3,315.45
  4. Step 4: Simplify right side
    10,339.52x = 51,394,768.52
  5. Step 5: Solve for x
    x = 51,394,768.52/10,339.52
  6. Step 6: Final answer
    x = 4,970.71

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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.