Home / 10,556.36-14,553.49-6,772.95

Finding the Fourth Proportional to 10,556.36, 14,553.49 and 6,772.95

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Solution

The fourth proportional to 10,556.36, 14,553.49 and 6,772.95 is: 9,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.36 : 14,553.49 = 6,772.95 : x
  2. Step 2: Convert to fraction form
    10,556.36/14,553.49 = 6,772.95/x
  3. Step 3: Cross multiply
    10,556.36x = 14,553.49 × 6,772.95
  4. Step 4: Simplify right side
    10,556.36x = 98,569,953.46
  5. Step 5: Solve for x
    x = 98,569,953.46/10,556.36
  6. Step 6: Final answer
    x = 9,337.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.