Home / 10,438.36-15,661.50-6,281.23

Finding the Fourth Proportional to 10,438.36, 15,661.50 and 6,281.23

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Solution

The fourth proportional to 10,438.36, 15,661.50 and 6,281.23 is: 9,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.36 : 15,661.50 = 6,281.23 : x
  2. Step 2: Convert to fraction form
    10,438.36/15,661.50 = 6,281.23/x
  3. Step 3: Cross multiply
    10,438.36x = 15,661.50 × 6,281.23
  4. Step 4: Simplify right side
    10,438.36x = 98,373,483.65
  5. Step 5: Solve for x
    x = 98,373,483.65/10,438.36
  6. Step 6: Final answer
    x = 9,424.23

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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.