Home / 13,219.04-18,232.08-7,907.06

Finding the Fourth Proportional to 13,219.04, 18,232.08 and 7,907.06

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Solution

The fourth proportional to 13,219.04, 18,232.08 and 7,907.06 is: 10,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.04 : 18,232.08 = 7,907.06 : x
  2. Step 2: Convert to fraction form
    13,219.04/18,232.08 = 7,907.06/x
  3. Step 3: Cross multiply
    13,219.04x = 18,232.08 × 7,907.06
  4. Step 4: Simplify right side
    13,219.04x = 144,162,150.48
  5. Step 5: Solve for x
    x = 144,162,150.48/13,219.04
  6. Step 6: Final answer
    x = 10,905.64

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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.