Home / 13,219.04-19,836.12-10,259.84

Finding the Fourth Proportional to 13,219.04, 19,836.12 and 10,259.84

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Solution

The fourth proportional to 13,219.04, 19,836.12 and 10,259.84 is: 15,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.04 : 19,836.12 = 10,259.84 : x
  2. Step 2: Convert to fraction form
    13,219.04/19,836.12 = 10,259.84/x
  3. Step 3: Cross multiply
    13,219.04x = 19,836.12 × 10,259.84
  4. Step 4: Simplify right side
    13,219.04x = 203,515,417.42
  5. Step 5: Solve for x
    x = 203,515,417.42/13,219.04
  6. Step 6: Final answer
    x = 15,395.63

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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.