Home / 10,995.63-15,141.38-10,750.47

Finding the Fourth Proportional to 10,995.63, 15,141.38 and 10,750.47

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Solution

The fourth proportional to 10,995.63, 15,141.38 and 10,750.47 is: 14,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.63 : 15,141.38 = 10,750.47 : x
  2. Step 2: Convert to fraction form
    10,995.63/15,141.38 = 10,750.47/x
  3. Step 3: Cross multiply
    10,995.63x = 15,141.38 × 10,750.47
  4. Step 4: Simplify right side
    10,995.63x = 162,776,897.70
  5. Step 5: Solve for x
    x = 162,776,897.70/10,995.63
  6. Step 6: Final answer
    x = 14,803.78

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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.