Home / 14,688.84-20,269.26-8,401.08

Finding the Fourth Proportional to 14,688.84, 20,269.26 and 8,401.08

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Solution

The fourth proportional to 14,688.84, 20,269.26 and 8,401.08 is: 11,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.84 : 20,269.26 = 8,401.08 : x
  2. Step 2: Convert to fraction form
    14,688.84/20,269.26 = 8,401.08/x
  3. Step 3: Cross multiply
    14,688.84x = 20,269.26 × 8,401.08
  4. Step 4: Simplify right side
    14,688.84x = 170,283,674.80
  5. Step 5: Solve for x
    x = 170,283,674.80/14,688.84
  6. Step 6: Final answer
    x = 11,592.72

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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.