Home / 15,381.50-23,079.54-9,153.81

Finding the Fourth Proportional to 15,381.50, 23,079.54 and 9,153.81

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Solution

The fourth proportional to 15,381.50, 23,079.54 and 9,153.81 is: 13,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.50 : 23,079.54 = 9,153.81 : x
  2. Step 2: Convert to fraction form
    15,381.50/23,079.54 = 9,153.81/x
  3. Step 3: Cross multiply
    15,381.50x = 23,079.54 × 9,153.81
  4. Step 4: Simplify right side
    15,381.50x = 211,265,724.05
  5. Step 5: Solve for x
    x = 211,265,724.05/15,381.50
  6. Step 6: Final answer
    x = 13,735.06

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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.