Home / 17,955.90-24,774.21-10,686.87

Finding the Fourth Proportional to 17,955.90, 24,774.21 and 10,686.87

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Solution

The fourth proportional to 17,955.90, 24,774.21 and 10,686.87 is: 14,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.90 : 24,774.21 = 10,686.87 : x
  2. Step 2: Convert to fraction form
    17,955.90/24,774.21 = 10,686.87/x
  3. Step 3: Cross multiply
    17,955.90x = 24,774.21 × 10,686.87
  4. Step 4: Simplify right side
    17,955.90x = 264,758,761.62
  5. Step 5: Solve for x
    x = 264,758,761.62/17,955.90
  6. Step 6: Final answer
    x = 14,744.95

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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.