Home / 16,905-23,328.48-9,351.63

Finding the Fourth Proportional to 16,905, 23,328.48 and 9,351.63

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Solution

The fourth proportional to 16,905, 23,328.48 and 9,351.63 is: 12,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905 : 23,328.48 = 9,351.63 : x
  2. Step 2: Convert to fraction form
    16,905/23,328.48 = 9,351.63/x
  3. Step 3: Cross multiply
    16,905x = 23,328.48 × 9,351.63
  4. Step 4: Simplify right side
    16,905x = 218,159,313.42
  5. Step 5: Solve for x
    x = 218,159,313.42/16,905
  6. Step 6: Final answer
    x = 12,905.02

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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.