Home / 8,686.85-13,030.27-6,101.33

Finding the Fourth Proportional to 8,686.85, 13,030.27 and 6,101.33

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Solution

The fourth proportional to 8,686.85, 13,030.27 and 6,101.33 is: 9,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.85 : 13,030.27 = 6,101.33 : x
  2. Step 2: Convert to fraction form
    8,686.85/13,030.27 = 6,101.33/x
  3. Step 3: Cross multiply
    8,686.85x = 13,030.27 × 6,101.33
  4. Step 4: Simplify right side
    8,686.85x = 79,501,977.26
  5. Step 5: Solve for x
    x = 79,501,977.26/8,686.85
  6. Step 6: Final answer
    x = 9,151.99

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1.5x scale

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.