Home / 14,742.84-22,114.20-12,140.28

Finding the Fourth Proportional to 14,742.84, 22,114.20 and 12,140.28

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Solution

The fourth proportional to 14,742.84, 22,114.20 and 12,140.28 is: 18,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.84 : 22,114.20 = 12,140.28 : x
  2. Step 2: Convert to fraction form
    14,742.84/22,114.20 = 12,140.28/x
  3. Step 3: Cross multiply
    14,742.84x = 22,114.20 × 12,140.28
  4. Step 4: Simplify right side
    14,742.84x = 268,472,579.98
  5. Step 5: Solve for x
    x = 268,472,579.98/14,742.84
  6. Step 6: Final answer
    x = 18,210.37

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1.5x scale

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.