Home / 15,595.04-21,523.78-8,879.74

Finding the Fourth Proportional to 15,595.04, 21,523.78 and 8,879.74

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Solution

The fourth proportional to 15,595.04, 21,523.78 and 8,879.74 is: 12,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595.04 : 21,523.78 = 8,879.74 : x
  2. Step 2: Convert to fraction form
    15,595.04/21,523.78 = 8,879.74/x
  3. Step 3: Cross multiply
    15,595.04x = 21,523.78 × 8,879.74
  4. Step 4: Simplify right side
    15,595.04x = 191,125,570.22
  5. Step 5: Solve for x
    x = 191,125,570.22/15,595.04
  6. Step 6: Final answer
    x = 12,255.54

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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.