Home / 13,112.04-19,671.30-10,798.68

Finding the Fourth Proportional to 13,112.04, 19,671.30 and 10,798.68

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Solution

The fourth proportional to 13,112.04, 19,671.30 and 10,798.68 is: 16,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.04 : 19,671.30 = 10,798.68 : x
  2. Step 2: Convert to fraction form
    13,112.04/19,671.30 = 10,798.68/x
  3. Step 3: Cross multiply
    13,112.04x = 19,671.30 × 10,798.68
  4. Step 4: Simplify right side
    13,112.04x = 212,424,073.88
  5. Step 5: Solve for x
    x = 212,424,073.88/13,112.04
  6. Step 6: Final answer
    x = 16,200.69

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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.