Home / 13,019.08-17,966.50-7,276.28

Finding the Fourth Proportional to 13,019.08, 17,966.50 and 7,276.28

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Solution

The fourth proportional to 13,019.08, 17,966.50 and 7,276.28 is: 10,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.08 : 17,966.50 = 7,276.28 : x
  2. Step 2: Convert to fraction form
    13,019.08/17,966.50 = 7,276.28/x
  3. Step 3: Cross multiply
    13,019.08x = 17,966.50 × 7,276.28
  4. Step 4: Simplify right side
    13,019.08x = 130,729,311.35
  5. Step 5: Solve for x
    x = 130,729,311.35/13,019.08
  6. Step 6: Final answer
    x = 10,041.37

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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.