Home / 10,619.34-15,931.72-6,240.48

Finding the Fourth Proportional to 10,619.34, 15,931.72 and 6,240.48

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Solution

The fourth proportional to 10,619.34, 15,931.72 and 6,240.48 is: 9,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.34 : 15,931.72 = 6,240.48 : x
  2. Step 2: Convert to fraction form
    10,619.34/15,931.72 = 6,240.48/x
  3. Step 3: Cross multiply
    10,619.34x = 15,931.72 × 6,240.48
  4. Step 4: Simplify right side
    10,619.34x = 99,421,580.03
  5. Step 5: Solve for x
    x = 99,421,580.03/10,619.34
  6. Step 6: Final answer
    x = 9,362.31

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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.