Home / 16,321.51-22,521.75-9,605.65

Finding the Fourth Proportional to 16,321.51, 22,521.75 and 9,605.65

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Solution

The fourth proportional to 16,321.51, 22,521.75 and 9,605.65 is: 13,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,321.51 : 22,521.75 = 9,605.65 : x
  2. Step 2: Convert to fraction form
    16,321.51/22,521.75 = 9,605.65/x
  3. Step 3: Cross multiply
    16,321.51x = 22,521.75 × 9,605.65
  4. Step 4: Simplify right side
    16,321.51x = 216,336,047.89
  5. Step 5: Solve for x
    x = 216,336,047.89/16,321.51
  6. Step 6: Final answer
    x = 13,254.66

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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.