Home / 19,142.04-28,715.28-5,102.26

Finding the Fourth Proportional to 19,142.04, 28,715.28 and 5,102.26

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Solution

The fourth proportional to 19,142.04, 28,715.28 and 5,102.26 is: 7,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.04 : 28,715.28 = 5,102.26 : x
  2. Step 2: Convert to fraction form
    19,142.04/28,715.28 = 5,102.26/x
  3. Step 3: Cross multiply
    19,142.04x = 28,715.28 × 5,102.26
  4. Step 4: Simplify right side
    19,142.04x = 146,512,824.53
  5. Step 5: Solve for x
    x = 146,512,824.53/19,142.04
  6. Step 6: Final answer
    x = 7,653.98

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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.