Home / 14,179.34-19,565.07-7,890.50

Finding the Fourth Proportional to 14,179.34, 19,565.07 and 7,890.50

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Solution

The fourth proportional to 14,179.34, 19,565.07 and 7,890.50 is: 10,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.34 : 19,565.07 = 7,890.50 : x
  2. Step 2: Convert to fraction form
    14,179.34/19,565.07 = 7,890.50/x
  3. Step 3: Cross multiply
    14,179.34x = 19,565.07 × 7,890.50
  4. Step 4: Simplify right side
    14,179.34x = 154,378,184.84
  5. Step 5: Solve for x
    x = 154,378,184.84/14,179.34
  6. Step 6: Final answer
    x = 10,887.54

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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.