Home / 15,595.54-21,521.73-8,521.94

Finding the Fourth Proportional to 15,595.54, 21,521.73 and 8,521.94

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Solution

The fourth proportional to 15,595.54, 21,521.73 and 8,521.94 is: 11,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595.54 : 21,521.73 = 8,521.94 : x
  2. Step 2: Convert to fraction form
    15,595.54/21,521.73 = 8,521.94/x
  3. Step 3: Cross multiply
    15,595.54x = 21,521.73 × 8,521.94
  4. Step 4: Simplify right side
    15,595.54x = 183,406,977.52
  5. Step 5: Solve for x
    x = 183,406,977.52/15,595.54
  6. Step 6: Final answer
    x = 11,760.22

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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.