Home / 14,678.30-22,018.78-4,148.46

Finding the Fourth Proportional to 14,678.30, 22,018.78 and 4,148.46

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Solution

The fourth proportional to 14,678.30, 22,018.78 and 4,148.46 is: 6,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.30 : 22,018.78 = 4,148.46 : x
  2. Step 2: Convert to fraction form
    14,678.30/22,018.78 = 4,148.46/x
  3. Step 3: Cross multiply
    14,678.30x = 22,018.78 × 4,148.46
  4. Step 4: Simplify right side
    14,678.30x = 91,344,028.08
  5. Step 5: Solve for x
    x = 91,344,028.08/14,678.30
  6. Step 6: Final answer
    x = 6,223.07

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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.