Home / 16,886.34-25,312.46-8,116.47

Finding the Fourth Proportional to 16,886.34, 25,312.46 and 8,116.47

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Solution

The fourth proportional to 16,886.34, 25,312.46 and 8,116.47 is: 12,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.34 : 25,312.46 = 8,116.47 : x
  2. Step 2: Convert to fraction form
    16,886.34/25,312.46 = 8,116.47/x
  3. Step 3: Cross multiply
    16,886.34x = 25,312.46 × 8,116.47
  4. Step 4: Simplify right side
    16,886.34x = 205,447,781.63
  5. Step 5: Solve for x
    x = 205,447,781.63/16,886.34
  6. Step 6: Final answer
    x = 12,166.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.