Home / 15,623.10-21,559.87-8,549.52

Finding the Fourth Proportional to 15,623.10, 21,559.87 and 8,549.52

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Solution

The fourth proportional to 15,623.10, 21,559.87 and 8,549.52 is: 11,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.10 : 21,559.87 = 8,549.52 : x
  2. Step 2: Convert to fraction form
    15,623.10/21,559.87 = 8,549.52/x
  3. Step 3: Cross multiply
    15,623.10x = 21,559.87 × 8,549.52
  4. Step 4: Simplify right side
    15,623.10x = 184,326,539.76
  5. Step 5: Solve for x
    x = 184,326,539.76/15,623.10
  6. Step 6: Final answer
    x = 11,798.33

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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.