Home / 14,968.23-20,655.30-8,253.87

Finding the Fourth Proportional to 14,968.23, 20,655.30 and 8,253.87

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Solution

The fourth proportional to 14,968.23, 20,655.30 and 8,253.87 is: 11,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.23 : 20,655.30 = 8,253.87 : x
  2. Step 2: Convert to fraction form
    14,968.23/20,655.30 = 8,253.87/x
  3. Step 3: Cross multiply
    14,968.23x = 20,655.30 × 8,253.87
  4. Step 4: Simplify right side
    14,968.23x = 170,486,161.01
  5. Step 5: Solve for x
    x = 170,486,161.01/14,968.23
  6. Step 6: Final answer
    x = 11,389.87

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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.