Home / 13,080.07-19,617.33-4,312.90

Finding the Fourth Proportional to 13,080.07, 19,617.33 and 4,312.90

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Solution

The fourth proportional to 13,080.07, 19,617.33 and 4,312.90 is: 6,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.07 : 19,617.33 = 4,312.90 : x
  2. Step 2: Convert to fraction form
    13,080.07/19,617.33 = 4,312.90/x
  3. Step 3: Cross multiply
    13,080.07x = 19,617.33 × 4,312.90
  4. Step 4: Simplify right side
    13,080.07x = 84,607,582.56
  5. Step 5: Solve for x
    x = 84,607,582.56/13,080.07
  6. Step 6: Final answer
    x = 6,468.43

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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.