Home / 17,509.64-26,248.66-11,889.21

Finding the Fourth Proportional to 17,509.64, 26,248.66 and 11,889.21

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Solution

The fourth proportional to 17,509.64, 26,248.66 and 11,889.21 is: 17,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,509.64 : 26,248.66 = 11,889.21 : x
  2. Step 2: Convert to fraction form
    17,509.64/26,248.66 = 11,889.21/x
  3. Step 3: Cross multiply
    17,509.64x = 26,248.66 × 11,889.21
  4. Step 4: Simplify right side
    17,509.64x = 312,075,899.67
  5. Step 5: Solve for x
    x = 312,075,899.67/17,509.64
  6. Step 6: Final answer
    x = 17,823.10

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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.