Home / 15,586.29-23,364.72-5,190.75

Finding the Fourth Proportional to 15,586.29, 23,364.72 and 5,190.75

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Solution

The fourth proportional to 15,586.29, 23,364.72 and 5,190.75 is: 7,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586.29 : 23,364.72 = 5,190.75 : x
  2. Step 2: Convert to fraction form
    15,586.29/23,364.72 = 5,190.75/x
  3. Step 3: Cross multiply
    15,586.29x = 23,364.72 × 5,190.75
  4. Step 4: Simplify right side
    15,586.29x = 121,280,420.34
  5. Step 5: Solve for x
    x = 121,280,420.34/15,586.29
  6. Step 6: Final answer
    x = 7,781.22

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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.