Home / 11,058.80-16,569.52-9,315.68

Finding the Fourth Proportional to 11,058.80, 16,569.52 and 9,315.68

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Solution

The fourth proportional to 11,058.80, 16,569.52 and 9,315.68 is: 13,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.80 : 16,569.52 = 9,315.68 : x
  2. Step 2: Convert to fraction form
    11,058.80/16,569.52 = 9,315.68/x
  3. Step 3: Cross multiply
    11,058.80x = 16,569.52 × 9,315.68
  4. Step 4: Simplify right side
    11,058.80x = 154,356,346.07
  5. Step 5: Solve for x
    x = 154,356,346.07/11,058.80
  6. Step 6: Final answer
    x = 13,957.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.