Home / 16,490.77-22,756.18-10,521.79

Finding the Fourth Proportional to 16,490.77, 22,756.18 and 10,521.79

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Solution

The fourth proportional to 16,490.77, 22,756.18 and 10,521.79 is: 14,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.77 : 22,756.18 = 10,521.79 : x
  2. Step 2: Convert to fraction form
    16,490.77/22,756.18 = 10,521.79/x
  3. Step 3: Cross multiply
    16,490.77x = 22,756.18 × 10,521.79
  4. Step 4: Simplify right side
    16,490.77x = 239,435,747.16
  5. Step 5: Solve for x
    x = 239,435,747.16/16,490.77
  6. Step 6: Final answer
    x = 14,519.38

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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.