Home / 11,319.08-15,620.46-6,283.40

Finding the Fourth Proportional to 11,319.08, 15,620.46 and 6,283.40

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Solution

The fourth proportional to 11,319.08, 15,620.46 and 6,283.40 is: 8,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.08 : 15,620.46 = 6,283.40 : x
  2. Step 2: Convert to fraction form
    11,319.08/15,620.46 = 6,283.40/x
  3. Step 3: Cross multiply
    11,319.08x = 15,620.46 × 6,283.40
  4. Step 4: Simplify right side
    11,319.08x = 98,149,598.36
  5. Step 5: Solve for x
    x = 98,149,598.36/11,319.08
  6. Step 6: Final answer
    x = 8,671.16

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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.