Home / 14,811.68-22,215.90-4,421

Finding the Fourth Proportional to 14,811.68, 22,215.90 and 4,421

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Solution

The fourth proportional to 14,811.68, 22,215.90 and 4,421 is: 6,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.68 : 22,215.90 = 4,421 : x
  2. Step 2: Convert to fraction form
    14,811.68/22,215.90 = 4,421/x
  3. Step 3: Cross multiply
    14,811.68x = 22,215.90 × 4,421
  4. Step 4: Simplify right side
    14,811.68x = 98,216,493.90
  5. Step 5: Solve for x
    x = 98,216,493.90/14,811.68
  6. Step 6: Final answer
    x = 6,631.02

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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.