Home / 15,595.56-21,518.90-9,308.52

Finding the Fourth Proportional to 15,595.56, 21,518.90 and 9,308.52

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Solution

The fourth proportional to 15,595.56, 21,518.90 and 9,308.52 is: 12,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595.56 : 21,518.90 = 9,308.52 : x
  2. Step 2: Convert to fraction form
    15,595.56/21,518.90 = 9,308.52/x
  3. Step 3: Cross multiply
    15,595.56x = 21,518.90 × 9,308.52
  4. Step 4: Simplify right side
    15,595.56x = 200,309,111.03
  5. Step 5: Solve for x
    x = 200,309,111.03/15,595.56
  6. Step 6: Final answer
    x = 12,843.98

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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.