Home / 11,219.95-15,483.53-6,506.96

Finding the Fourth Proportional to 11,219.95, 15,483.53 and 6,506.96

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Solution

The fourth proportional to 11,219.95, 15,483.53 and 6,506.96 is: 8,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.95 : 15,483.53 = 6,506.96 : x
  2. Step 2: Convert to fraction form
    11,219.95/15,483.53 = 6,506.96/x
  3. Step 3: Cross multiply
    11,219.95x = 15,483.53 × 6,506.96
  4. Step 4: Simplify right side
    11,219.95x = 100,750,710.37
  5. Step 5: Solve for x
    x = 100,750,710.37/11,219.95
  6. Step 6: Final answer
    x = 8,979.60

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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.