Home / 16,670.86-23,005.53-9,117.02

Finding the Fourth Proportional to 16,670.86, 23,005.53 and 9,117.02

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Solution

The fourth proportional to 16,670.86, 23,005.53 and 9,117.02 is: 12,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.86 : 23,005.53 = 9,117.02 : x
  2. Step 2: Convert to fraction form
    16,670.86/23,005.53 = 9,117.02/x
  3. Step 3: Cross multiply
    16,670.86x = 23,005.53 × 9,117.02
  4. Step 4: Simplify right side
    16,670.86x = 209,741,850.40
  5. Step 5: Solve for x
    x = 209,741,850.40/16,670.86
  6. Step 6: Final answer
    x = 12,581.34

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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.