Home / 15,449.54-21,313.55-10,411.92

Finding the Fourth Proportional to 15,449.54, 21,313.55 and 10,411.92

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Solution

The fourth proportional to 15,449.54, 21,313.55 and 10,411.92 is: 14,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.54 : 21,313.55 = 10,411.92 : x
  2. Step 2: Convert to fraction form
    15,449.54/21,313.55 = 10,411.92/x
  3. Step 3: Cross multiply
    15,449.54x = 21,313.55 × 10,411.92
  4. Step 4: Simplify right side
    15,449.54x = 221,914,925.46
  5. Step 5: Solve for x
    x = 221,914,925.46/15,449.54
  6. Step 6: Final answer
    x = 14,363.86

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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.