Home / 9,929.89-13,703.43-5,453.92

Finding the Fourth Proportional to 9,929.89, 13,703.43 and 5,453.92

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Solution

The fourth proportional to 9,929.89, 13,703.43 and 5,453.92 is: 7,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.89 : 13,703.43 = 5,453.92 : x
  2. Step 2: Convert to fraction form
    9,929.89/13,703.43 = 5,453.92/x
  3. Step 3: Cross multiply
    9,929.89x = 13,703.43 × 5,453.92
  4. Step 4: Simplify right side
    9,929.89x = 74,737,410.95
  5. Step 5: Solve for x
    x = 74,737,410.95/9,929.89
  6. Step 6: Final answer
    x = 7,526.51

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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.