Home / 15,223.04-21,007.73-8,508.67

Finding the Fourth Proportional to 15,223.04, 21,007.73 and 8,508.67

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Solution

The fourth proportional to 15,223.04, 21,007.73 and 8,508.67 is: 11,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.04 : 21,007.73 = 8,508.67 : x
  2. Step 2: Convert to fraction form
    15,223.04/21,007.73 = 8,508.67/x
  3. Step 3: Cross multiply
    15,223.04x = 21,007.73 × 8,508.67
  4. Step 4: Simplify right side
    15,223.04x = 178,747,842.02
  5. Step 5: Solve for x
    x = 178,747,842.02/15,223.04
  6. Step 6: Final answer
    x = 11,741.93

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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.