Home / 15,283.73-21,095.30-9,318.69

Finding the Fourth Proportional to 15,283.73, 21,095.30 and 9,318.69

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Solution

The fourth proportional to 15,283.73, 21,095.30 and 9,318.69 is: 12,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.73 : 21,095.30 = 9,318.69 : x
  2. Step 2: Convert to fraction form
    15,283.73/21,095.30 = 9,318.69/x
  3. Step 3: Cross multiply
    15,283.73x = 21,095.30 × 9,318.69
  4. Step 4: Simplify right side
    15,283.73x = 196,580,584.45
  5. Step 5: Solve for x
    x = 196,580,584.45/15,283.73
  6. Step 6: Final answer
    x = 12,862.08

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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.