Home / 15,307.09-22,972.93-7,913.70

Finding the Fourth Proportional to 15,307.09, 22,972.93 and 7,913.70

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Solution

The fourth proportional to 15,307.09, 22,972.93 and 7,913.70 is: 11,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.09 : 22,972.93 = 7,913.70 : x
  2. Step 2: Convert to fraction form
    15,307.09/22,972.93 = 7,913.70/x
  3. Step 3: Cross multiply
    15,307.09x = 22,972.93 × 7,913.70
  4. Step 4: Simplify right side
    15,307.09x = 181,800,856.36
  5. Step 5: Solve for x
    x = 181,800,856.36/15,307.09
  6. Step 6: Final answer
    x = 11,876.91

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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.