Home / 16,674.16-23,010.88-9,120.92

Finding the Fourth Proportional to 16,674.16, 23,010.88 and 9,120.92

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Solution

The fourth proportional to 16,674.16, 23,010.88 and 9,120.92 is: 12,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.16 : 23,010.88 = 9,120.92 : x
  2. Step 2: Convert to fraction form
    16,674.16/23,010.88 = 9,120.92/x
  3. Step 3: Cross multiply
    16,674.16x = 23,010.88 × 9,120.92
  4. Step 4: Simplify right side
    16,674.16x = 209,880,395.61
  5. Step 5: Solve for x
    x = 209,880,395.61/16,674.16
  6. Step 6: Final answer
    x = 12,587.16

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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.