Home / 16,670.36-23,005.59-9,116.56

Finding the Fourth Proportional to 16,670.36, 23,005.59 and 9,116.56

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Solution

The fourth proportional to 16,670.36, 23,005.59 and 9,116.56 is: 12,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.36 : 23,005.59 = 9,116.56 : x
  2. Step 2: Convert to fraction form
    16,670.36/23,005.59 = 9,116.56/x
  3. Step 3: Cross multiply
    16,670.36x = 23,005.59 × 9,116.56
  4. Step 4: Simplify right side
    16,670.36x = 209,731,680.96
  5. Step 5: Solve for x
    x = 209,731,680.96/16,670.36
  6. Step 6: Final answer
    x = 12,581.12

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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.