Home / 15,887.90-23,816.34-7,565.67

Finding the Fourth Proportional to 15,887.90, 23,816.34 and 7,565.67

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Solution

The fourth proportional to 15,887.90, 23,816.34 and 7,565.67 is: 11,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.90 : 23,816.34 = 7,565.67 : x
  2. Step 2: Convert to fraction form
    15,887.90/23,816.34 = 7,565.67/x
  3. Step 3: Cross multiply
    15,887.90x = 23,816.34 × 7,565.67
  4. Step 4: Simplify right side
    15,887.90x = 180,186,569.05
  5. Step 5: Solve for x
    x = 180,186,569.05/15,887.90
  6. Step 6: Final answer
    x = 11,341.12

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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.