Home / 16,852.80-23,261.49-9,781.50

Finding the Fourth Proportional to 16,852.80, 23,261.49 and 9,781.50

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Solution

The fourth proportional to 16,852.80, 23,261.49 and 9,781.50 is: 13,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.80 : 23,261.49 = 9,781.50 : x
  2. Step 2: Convert to fraction form
    16,852.80/23,261.49 = 9,781.50/x
  3. Step 3: Cross multiply
    16,852.80x = 23,261.49 × 9,781.50
  4. Step 4: Simplify right side
    16,852.80x = 227,532,264.44
  5. Step 5: Solve for x
    x = 227,532,264.44/16,852.80
  6. Step 6: Final answer
    x = 13,501.15

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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.