Home / 16,670.74-23,005.74-9,117.22

Finding the Fourth Proportional to 16,670.74, 23,005.74 and 9,117.22

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Solution

The fourth proportional to 16,670.74, 23,005.74 and 9,117.22 is: 12,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.74 : 23,005.74 = 9,117.22 : x
  2. Step 2: Convert to fraction form
    16,670.74/23,005.74 = 9,117.22/x
  3. Step 3: Cross multiply
    16,670.74x = 23,005.74 × 9,117.22
  4. Step 4: Simplify right side
    16,670.74x = 209,748,392.84
  5. Step 5: Solve for x
    x = 209,748,392.84/16,670.74
  6. Step 6: Final answer
    x = 12,581.83

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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.