Home / 14,607.11-20,164.14-8,638.99

Finding the Fourth Proportional to 14,607.11, 20,164.14 and 8,638.99

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Solution

The fourth proportional to 14,607.11, 20,164.14 and 8,638.99 is: 11,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.11 : 20,164.14 = 8,638.99 : x
  2. Step 2: Convert to fraction form
    14,607.11/20,164.14 = 8,638.99/x
  3. Step 3: Cross multiply
    14,607.11x = 20,164.14 × 8,638.99
  4. Step 4: Simplify right side
    14,607.11x = 174,197,838.48
  5. Step 5: Solve for x
    x = 174,197,838.48/14,607.11
  6. Step 6: Final answer
    x = 11,925.55

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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.