Home / 15,421.38-23,101.23-7,089.98

Finding the Fourth Proportional to 15,421.38, 23,101.23 and 7,089.98

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Solution

The fourth proportional to 15,421.38, 23,101.23 and 7,089.98 is: 10,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.38 : 23,101.23 = 7,089.98 : x
  2. Step 2: Convert to fraction form
    15,421.38/23,101.23 = 7,089.98/x
  3. Step 3: Cross multiply
    15,421.38x = 23,101.23 × 7,089.98
  4. Step 4: Simplify right side
    15,421.38x = 163,787,169.76
  5. Step 5: Solve for x
    x = 163,787,169.76/15,421.38
  6. Step 6: Final answer
    x = 10,620.79

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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.