Home / 16,842.71-23,242.40-9,289.35

Finding the Fourth Proportional to 16,842.71, 23,242.40 and 9,289.35

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Solution

The fourth proportional to 16,842.71, 23,242.40 and 9,289.35 is: 12,819.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.71 : 23,242.40 = 9,289.35 : x
  2. Step 2: Convert to fraction form
    16,842.71/23,242.40 = 9,289.35/x
  3. Step 3: Cross multiply
    16,842.71x = 23,242.40 × 9,289.35
  4. Step 4: Simplify right side
    16,842.71x = 215,906,741.99
  5. Step 5: Solve for x
    x = 215,906,741.99/16,842.71
  6. Step 6: Final answer
    x = 12,819.01

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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.