Home / 13,210.64-19,713.48-11,808.53

Finding the Fourth Proportional to 13,210.64, 19,713.48 and 11,808.53

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Solution

The fourth proportional to 13,210.64, 19,713.48 and 11,808.53 is: 17,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.64 : 19,713.48 = 11,808.53 : x
  2. Step 2: Convert to fraction form
    13,210.64/19,713.48 = 11,808.53/x
  3. Step 3: Cross multiply
    13,210.64x = 19,713.48 × 11,808.53
  4. Step 4: Simplify right side
    13,210.64x = 232,787,062.37
  5. Step 5: Solve for x
    x = 232,787,062.37/13,210.64
  6. Step 6: Final answer
    x = 17,621.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.