Home / 15,284.73-21,086.40-10,560.81

Finding the Fourth Proportional to 15,284.73, 21,086.40 and 10,560.81

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Solution

The fourth proportional to 15,284.73, 21,086.40 and 10,560.81 is: 14,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.73 : 21,086.40 = 10,560.81 : x
  2. Step 2: Convert to fraction form
    15,284.73/21,086.40 = 10,560.81/x
  3. Step 3: Cross multiply
    15,284.73x = 21,086.40 × 10,560.81
  4. Step 4: Simplify right side
    15,284.73x = 222,689,463.98
  5. Step 5: Solve for x
    x = 222,689,463.98/15,284.73
  6. Step 6: Final answer
    x = 14,569.41

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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.