Home / 10,980.26-15,152.70-6,506.23

Finding the Fourth Proportional to 10,980.26, 15,152.70 and 6,506.23

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Solution

The fourth proportional to 10,980.26, 15,152.70 and 6,506.23 is: 8,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.26 : 15,152.70 = 6,506.23 : x
  2. Step 2: Convert to fraction form
    10,980.26/15,152.70 = 6,506.23/x
  3. Step 3: Cross multiply
    10,980.26x = 15,152.70 × 6,506.23
  4. Step 4: Simplify right side
    10,980.26x = 98,586,951.32
  5. Step 5: Solve for x
    x = 98,586,951.32/10,980.26
  6. Step 6: Final answer
    x = 8,978.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.