Home / 19,238.04-28,869.24-7,551

Finding the Fourth Proportional to 19,238.04, 28,869.24 and 7,551

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Solution

The fourth proportional to 19,238.04, 28,869.24 and 7,551 is: 11,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.04 : 28,869.24 = 7,551 : x
  2. Step 2: Convert to fraction form
    19,238.04/28,869.24 = 7,551/x
  3. Step 3: Cross multiply
    19,238.04x = 28,869.24 × 7,551
  4. Step 4: Simplify right side
    19,238.04x = 217,991,631.24
  5. Step 5: Solve for x
    x = 217,991,631.24/19,238.04
  6. Step 6: Final answer
    x = 11,331.28

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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.