Home / 14,077.46-19,430.08-8,110.20

Finding the Fourth Proportional to 14,077.46, 19,430.08 and 8,110.20

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Solution

The fourth proportional to 14,077.46, 19,430.08 and 8,110.20 is: 11,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.46 : 19,430.08 = 8,110.20 : x
  2. Step 2: Convert to fraction form
    14,077.46/19,430.08 = 8,110.20/x
  3. Step 3: Cross multiply
    14,077.46x = 19,430.08 × 8,110.20
  4. Step 4: Simplify right side
    14,077.46x = 157,581,834.82
  5. Step 5: Solve for x
    x = 157,581,834.82/14,077.46
  6. Step 6: Final answer
    x = 11,193.91

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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.