Home / 14,312.05-21,471.71-4,451.40

Finding the Fourth Proportional to 14,312.05, 21,471.71 and 4,451.40

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Solution

The fourth proportional to 14,312.05, 21,471.71 and 4,451.40 is: 6,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.05 : 21,471.71 = 4,451.40 : x
  2. Step 2: Convert to fraction form
    14,312.05/21,471.71 = 4,451.40/x
  3. Step 3: Cross multiply
    14,312.05x = 21,471.71 × 4,451.40
  4. Step 4: Simplify right side
    14,312.05x = 95,579,147.64
  5. Step 5: Solve for x
    x = 95,579,147.64/14,312.05
  6. Step 6: Final answer
    x = 6,678.23

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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.