Home / 15,215.03-22,830.74-7,423.84

Finding the Fourth Proportional to 15,215.03, 22,830.74 and 7,423.84

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Solution

The fourth proportional to 15,215.03, 22,830.74 and 7,423.84 is: 11,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215.03 : 22,830.74 = 7,423.84 : x
  2. Step 2: Convert to fraction form
    15,215.03/22,830.74 = 7,423.84/x
  3. Step 3: Cross multiply
    15,215.03x = 22,830.74 × 7,423.84
  4. Step 4: Simplify right side
    15,215.03x = 169,491,774.09
  5. Step 5: Solve for x
    x = 169,491,774.09/15,215.03
  6. Step 6: Final answer
    x = 11,139.76

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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.