Home / 14,430.16-19,910.24-8,764.75

Finding the Fourth Proportional to 14,430.16, 19,910.24 and 8,764.75

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Solution

The fourth proportional to 14,430.16, 19,910.24 and 8,764.75 is: 12,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.16 : 19,910.24 = 8,764.75 : x
  2. Step 2: Convert to fraction form
    14,430.16/19,910.24 = 8,764.75/x
  3. Step 3: Cross multiply
    14,430.16x = 19,910.24 × 8,764.75
  4. Step 4: Simplify right side
    14,430.16x = 174,508,276.04
  5. Step 5: Solve for x
    x = 174,508,276.04/14,430.16
  6. Step 6: Final answer
    x = 12,093.30

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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.