Home / 15,240.84-21,032.52-8,953.32

Finding the Fourth Proportional to 15,240.84, 21,032.52 and 8,953.32

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Solution

The fourth proportional to 15,240.84, 21,032.52 and 8,953.32 is: 12,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.84 : 21,032.52 = 8,953.32 : x
  2. Step 2: Convert to fraction form
    15,240.84/21,032.52 = 8,953.32/x
  3. Step 3: Cross multiply
    15,240.84x = 21,032.52 × 8,953.32
  4. Step 4: Simplify right side
    15,240.84x = 188,310,881.97
  5. Step 5: Solve for x
    x = 188,310,881.97/15,240.84
  6. Step 6: Final answer
    x = 12,355.68

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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.