Home / 13,080.08-19,621.04-4,321.15

Finding the Fourth Proportional to 13,080.08, 19,621.04 and 4,321.15

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Solution

The fourth proportional to 13,080.08, 19,621.04 and 4,321.15 is: 6,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.08 : 19,621.04 = 4,321.15 : x
  2. Step 2: Convert to fraction form
    13,080.08/19,621.04 = 4,321.15/x
  3. Step 3: Cross multiply
    13,080.08x = 19,621.04 × 4,321.15
  4. Step 4: Simplify right side
    13,080.08x = 84,785,386.34
  5. Step 5: Solve for x
    x = 84,785,386.34/13,080.08
  6. Step 6: Final answer
    x = 6,482.02

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1.5x scale

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.