Home / 16,143.72-24,215.64-4,457.88

Finding the Fourth Proportional to 16,143.72, 24,215.64 and 4,457.88

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Solution

The fourth proportional to 16,143.72, 24,215.64 and 4,457.88 is: 6,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.72 : 24,215.64 = 4,457.88 : x
  2. Step 2: Convert to fraction form
    16,143.72/24,215.64 = 4,457.88/x
  3. Step 3: Cross multiply
    16,143.72x = 24,215.64 × 4,457.88
  4. Step 4: Simplify right side
    16,143.72x = 107,950,417.24
  5. Step 5: Solve for x
    x = 107,950,417.24/16,143.72
  6. Step 6: Final answer
    x = 6,686.84

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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.