Home / 15,588.96-23,357.04-9,420

Finding the Fourth Proportional to 15,588.96, 23,357.04 and 9,420

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Solution

The fourth proportional to 15,588.96, 23,357.04 and 9,420 is: 14,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.96 : 23,357.04 = 9,420 : x
  2. Step 2: Convert to fraction form
    15,588.96/23,357.04 = 9,420/x
  3. Step 3: Cross multiply
    15,588.96x = 23,357.04 × 9,420
  4. Step 4: Simplify right side
    15,588.96x = 220,023,316.80
  5. Step 5: Solve for x
    x = 220,023,316.80/15,588.96
  6. Step 6: Final answer
    x = 14,114.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.