Home / 10,786.77-14,886.41-6,538.20

Finding the Fourth Proportional to 10,786.77, 14,886.41 and 6,538.20

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Solution

The fourth proportional to 10,786.77, 14,886.41 and 6,538.20 is: 9,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.77 : 14,886.41 = 6,538.20 : x
  2. Step 2: Convert to fraction form
    10,786.77/14,886.41 = 6,538.20/x
  3. Step 3: Cross multiply
    10,786.77x = 14,886.41 × 6,538.20
  4. Step 4: Simplify right side
    10,786.77x = 97,330,325.86
  5. Step 5: Solve for x
    x = 97,330,325.86/10,786.77
  6. Step 6: Final answer
    x = 9,023.12

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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.