Home / 15,623.02-21,559.73-8,549.43

Finding the Fourth Proportional to 15,623.02, 21,559.73 and 8,549.43

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Solution

The fourth proportional to 15,623.02, 21,559.73 and 8,549.43 is: 11,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.02 : 21,559.73 = 8,549.43 : x
  2. Step 2: Convert to fraction form
    15,623.02/21,559.73 = 8,549.43/x
  3. Step 3: Cross multiply
    15,623.02x = 21,559.73 × 8,549.43
  4. Step 4: Simplify right side
    15,623.02x = 184,323,402.45
  5. Step 5: Solve for x
    x = 184,323,402.45/15,623.02
  6. Step 6: Final answer
    x = 11,798.19

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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.