Home / 15,515.58-21,411.27-9,464.45

Finding the Fourth Proportional to 15,515.58, 21,411.27 and 9,464.45

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Solution

The fourth proportional to 15,515.58, 21,411.27 and 9,464.45 is: 13,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.58 : 21,411.27 = 9,464.45 : x
  2. Step 2: Convert to fraction form
    15,515.58/21,411.27 = 9,464.45/x
  3. Step 3: Cross multiply
    15,515.58x = 21,411.27 × 9,464.45
  4. Step 4: Simplify right side
    15,515.58x = 202,645,787.30
  5. Step 5: Solve for x
    x = 202,645,787.30/15,515.58
  6. Step 6: Final answer
    x = 13,060.79

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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.