Home / 16,871.70-23,282.59-9,317.59

Finding the Fourth Proportional to 16,871.70, 23,282.59 and 9,317.59

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Solution

The fourth proportional to 16,871.70, 23,282.59 and 9,317.59 is: 12,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.70 : 23,282.59 = 9,317.59 : x
  2. Step 2: Convert to fraction form
    16,871.70/23,282.59 = 9,317.59/x
  3. Step 3: Cross multiply
    16,871.70x = 23,282.59 × 9,317.59
  4. Step 4: Simplify right side
    16,871.70x = 216,937,627.76
  5. Step 5: Solve for x
    x = 216,937,627.76/16,871.70
  6. Step 6: Final answer
    x = 12,858.08

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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.