Home / 10,201.77-14,079.86-5,665.47

Finding the Fourth Proportional to 10,201.77, 14,079.86 and 5,665.47

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Solution

The fourth proportional to 10,201.77, 14,079.86 and 5,665.47 is: 7,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.77 : 14,079.86 = 5,665.47 : x
  2. Step 2: Convert to fraction form
    10,201.77/14,079.86 = 5,665.47/x
  3. Step 3: Cross multiply
    10,201.77x = 14,079.86 × 5,665.47
  4. Step 4: Simplify right side
    10,201.77x = 79,769,038.60
  5. Step 5: Solve for x
    x = 79,769,038.60/10,201.77
  6. Step 6: Final answer
    x = 7,819.14

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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.