Home / 21,582.94-32,338.76-9,870.34

Finding the Fourth Proportional to 21,582.94, 32,338.76 and 9,870.34

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Solution

The fourth proportional to 21,582.94, 32,338.76 and 9,870.34 is: 14,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.94 : 32,338.76 = 9,870.34 : x
  2. Step 2: Convert to fraction form
    21,582.94/32,338.76 = 9,870.34/x
  3. Step 3: Cross multiply
    21,582.94x = 32,338.76 × 9,870.34
  4. Step 4: Simplify right side
    21,582.94x = 319,194,556.38
  5. Step 5: Solve for x
    x = 319,194,556.38/21,582.94
  6. Step 6: Final answer
    x = 14,789.21

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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.