Home / 15,339.44-21,167.06-8,624.18

Finding the Fourth Proportional to 15,339.44, 21,167.06 and 8,624.18

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Solution

The fourth proportional to 15,339.44, 21,167.06 and 8,624.18 is: 11,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.44 : 21,167.06 = 8,624.18 : x
  2. Step 2: Convert to fraction form
    15,339.44/21,167.06 = 8,624.18/x
  3. Step 3: Cross multiply
    15,339.44x = 21,167.06 × 8,624.18
  4. Step 4: Simplify right side
    15,339.44x = 182,548,535.51
  5. Step 5: Solve for x
    x = 182,548,535.51/15,339.44
  6. Step 6: Final answer
    x = 11,900.60

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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.