Home / 21,585.93-32,367.79-9,889.12

Finding the Fourth Proportional to 21,585.93, 32,367.79 and 9,889.12

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Solution

The fourth proportional to 21,585.93, 32,367.79 and 9,889.12 is: 14,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.93 : 32,367.79 = 9,889.12 : x
  2. Step 2: Convert to fraction form
    21,585.93/32,367.79 = 9,889.12/x
  3. Step 3: Cross multiply
    21,585.93x = 32,367.79 × 9,889.12
  4. Step 4: Simplify right side
    21,585.93x = 320,088,959.44
  5. Step 5: Solve for x
    x = 320,088,959.44/21,585.93
  6. Step 6: Final answer
    x = 14,828.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.