Home / 12,045.08-16,624.50-6,742.28

Finding the Fourth Proportional to 12,045.08, 16,624.50 and 6,742.28

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Solution

The fourth proportional to 12,045.08, 16,624.50 and 6,742.28 is: 9,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.08 : 16,624.50 = 6,742.28 : x
  2. Step 2: Convert to fraction form
    12,045.08/16,624.50 = 6,742.28/x
  3. Step 3: Cross multiply
    12,045.08x = 16,624.50 × 6,742.28
  4. Step 4: Simplify right side
    12,045.08x = 112,087,033.86
  5. Step 5: Solve for x
    x = 112,087,033.86/12,045.08
  6. Step 6: Final answer
    x = 9,305.63

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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.