Home / 8,686.93-13,030.32-2,113.08

Finding the Fourth Proportional to 8,686.93, 13,030.32 and 2,113.08

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Solution

The fourth proportional to 8,686.93, 13,030.32 and 2,113.08 is: 3,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.93 : 13,030.32 = 2,113.08 : x
  2. Step 2: Convert to fraction form
    8,686.93/13,030.32 = 2,113.08/x
  3. Step 3: Cross multiply
    8,686.93x = 13,030.32 × 2,113.08
  4. Step 4: Simplify right side
    8,686.93x = 27,534,108.59
  5. Step 5: Solve for x
    x = 27,534,108.59/8,686.93
  6. Step 6: Final answer
    x = 3,169.60

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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.