Home / 21,875.19-32,813.25-7,836.13

Finding the Fourth Proportional to 21,875.19, 32,813.25 and 7,836.13

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Solution

The fourth proportional to 21,875.19, 32,813.25 and 7,836.13 is: 11,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.19 : 32,813.25 = 7,836.13 : x
  2. Step 2: Convert to fraction form
    21,875.19/32,813.25 = 7,836.13/x
  3. Step 3: Cross multiply
    21,875.19x = 32,813.25 × 7,836.13
  4. Step 4: Simplify right side
    21,875.19x = 257,128,892.72
  5. Step 5: Solve for x
    x = 257,128,892.72/21,875.19
  6. Step 6: Final answer
    x = 11,754.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.