Home / 14,846.13-20,490.30-8,878.46

Finding the Fourth Proportional to 14,846.13, 20,490.30 and 8,878.46

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Solution

The fourth proportional to 14,846.13, 20,490.30 and 8,878.46 is: 12,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.13 : 20,490.30 = 8,878.46 : x
  2. Step 2: Convert to fraction form
    14,846.13/20,490.30 = 8,878.46/x
  3. Step 3: Cross multiply
    14,846.13x = 20,490.30 × 8,878.46
  4. Step 4: Simplify right side
    14,846.13x = 181,922,206.49
  5. Step 5: Solve for x
    x = 181,922,206.49/14,846.13
  6. Step 6: Final answer
    x = 12,253.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.