Home / 20,595.07-30,868.74-9,478.42

Finding the Fourth Proportional to 20,595.07, 30,868.74 and 9,478.42

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Solution

The fourth proportional to 20,595.07, 30,868.74 and 9,478.42 is: 14,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.07 : 30,868.74 = 9,478.42 : x
  2. Step 2: Convert to fraction form
    20,595.07/30,868.74 = 9,478.42/x
  3. Step 3: Cross multiply
    20,595.07x = 30,868.74 × 9,478.42
  4. Step 4: Simplify right side
    20,595.07x = 292,586,882.59
  5. Step 5: Solve for x
    x = 292,586,882.59/20,595.07
  6. Step 6: Final answer
    x = 14,206.65

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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.