Home / 14,872.20-22,320.45-14,386.20

Finding the Fourth Proportional to 14,872.20, 22,320.45 and 14,386.20

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Solution

The fourth proportional to 14,872.20, 22,320.45 and 14,386.20 is: 21,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.20 : 22,320.45 = 14,386.20 : x
  2. Step 2: Convert to fraction form
    14,872.20/22,320.45 = 14,386.20/x
  3. Step 3: Cross multiply
    14,872.20x = 22,320.45 × 14,386.20
  4. Step 4: Simplify right side
    14,872.20x = 321,106,457.79
  5. Step 5: Solve for x
    x = 321,106,457.79/14,872.20
  6. Step 6: Final answer
    x = 21,591.05

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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.