Home / 15,038.70-22,561.56-5,178.03

Finding the Fourth Proportional to 15,038.70, 22,561.56 and 5,178.03

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Solution

The fourth proportional to 15,038.70, 22,561.56 and 5,178.03 is: 7,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.70 : 22,561.56 = 5,178.03 : x
  2. Step 2: Convert to fraction form
    15,038.70/22,561.56 = 5,178.03/x
  3. Step 3: Cross multiply
    15,038.70x = 22,561.56 × 5,178.03
  4. Step 4: Simplify right side
    15,038.70x = 116,824,434.53
  5. Step 5: Solve for x
    x = 116,824,434.53/15,038.70
  6. Step 6: Final answer
    x = 7,768.25

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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.