Home / 15,674.04-21,630.12-8,600.28

Finding the Fourth Proportional to 15,674.04, 21,630.12 and 8,600.28

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Solution

The fourth proportional to 15,674.04, 21,630.12 and 8,600.28 is: 11,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.04 : 21,630.12 = 8,600.28 : x
  2. Step 2: Convert to fraction form
    15,674.04/21,630.12 = 8,600.28/x
  3. Step 3: Cross multiply
    15,674.04x = 21,630.12 × 8,600.28
  4. Step 4: Simplify right side
    15,674.04x = 186,025,088.43
  5. Step 5: Solve for x
    x = 186,025,088.43/15,674.04
  6. Step 6: Final answer
    x = 11,868.36

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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.