Home / 16,639.56-22,967.58-9,929.88

Finding the Fourth Proportional to 16,639.56, 22,967.58 and 9,929.88

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Solution

The fourth proportional to 16,639.56, 22,967.58 and 9,929.88 is: 13,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.56 : 22,967.58 = 9,929.88 : x
  2. Step 2: Convert to fraction form
    16,639.56/22,967.58 = 9,929.88/x
  3. Step 3: Cross multiply
    16,639.56x = 22,967.58 × 9,929.88
  4. Step 4: Simplify right side
    16,639.56x = 228,065,313.29
  5. Step 5: Solve for x
    x = 228,065,313.29/16,639.56
  6. Step 6: Final answer
    x = 13,706.21

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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.