Home / 13,303.56-19,928.74-11,528.13

Finding the Fourth Proportional to 13,303.56, 19,928.74 and 11,528.13

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Solution

The fourth proportional to 13,303.56, 19,928.74 and 11,528.13 is: 17,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.56 : 19,928.74 = 11,528.13 : x
  2. Step 2: Convert to fraction form
    13,303.56/19,928.74 = 11,528.13/x
  3. Step 3: Cross multiply
    13,303.56x = 19,928.74 × 11,528.13
  4. Step 4: Simplify right side
    13,303.56x = 229,741,105.46
  5. Step 5: Solve for x
    x = 229,741,105.46/13,303.56
  6. Step 6: Final answer
    x = 17,269.14

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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.