Home / 16,852.30-23,260.80-9,781

Finding the Fourth Proportional to 16,852.30, 23,260.80 and 9,781

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Solution

The fourth proportional to 16,852.30, 23,260.80 and 9,781 is: 13,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.30 : 23,260.80 = 9,781 : x
  2. Step 2: Convert to fraction form
    16,852.30/23,260.80 = 9,781/x
  3. Step 3: Cross multiply
    16,852.30x = 23,260.80 × 9,781
  4. Step 4: Simplify right side
    16,852.30x = 227,513,884.80
  5. Step 5: Solve for x
    x = 227,513,884.80/16,852.30
  6. Step 6: Final answer
    x = 13,500.46

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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.