Home / 17,765.73-26,639.28-8,871.53

Finding the Fourth Proportional to 17,765.73, 26,639.28 and 8,871.53

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Solution

The fourth proportional to 17,765.73, 26,639.28 and 8,871.53 is: 13,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.73 : 26,639.28 = 8,871.53 : x
  2. Step 2: Convert to fraction form
    17,765.73/26,639.28 = 8,871.53/x
  3. Step 3: Cross multiply
    17,765.73x = 26,639.28 × 8,871.53
  4. Step 4: Simplify right side
    17,765.73x = 236,331,038.50
  5. Step 5: Solve for x
    x = 236,331,038.50/17,765.73
  6. Step 6: Final answer
    x = 13,302.64

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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.