Home / 15,339.03-21,169.74-8,624.94

Finding the Fourth Proportional to 15,339.03, 21,169.74 and 8,624.94

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Solution

The fourth proportional to 15,339.03, 21,169.74 and 8,624.94 is: 11,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.03 : 21,169.74 = 8,624.94 : x
  2. Step 2: Convert to fraction form
    15,339.03/21,169.74 = 8,624.94/x
  3. Step 3: Cross multiply
    15,339.03x = 21,169.74 × 8,624.94
  4. Step 4: Simplify right side
    15,339.03x = 182,587,737.32
  5. Step 5: Solve for x
    x = 182,587,737.32/15,339.03
  6. Step 6: Final answer
    x = 11,903.47

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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.