Home / 14,177.92-19,566.48-7,890.32

Finding the Fourth Proportional to 14,177.92, 19,566.48 and 7,890.32

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Solution

The fourth proportional to 14,177.92, 19,566.48 and 7,890.32 is: 10,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.92 : 19,566.48 = 7,890.32 : x
  2. Step 2: Convert to fraction form
    14,177.92/19,566.48 = 7,890.32/x
  3. Step 3: Cross multiply
    14,177.92x = 19,566.48 × 7,890.32
  4. Step 4: Simplify right side
    14,177.92x = 154,385,788.47
  5. Step 5: Solve for x
    x = 154,385,788.47/14,177.92
  6. Step 6: Final answer
    x = 10,889.17

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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.