Home / 20,955.83-31,434.30-6,165.23

Finding the Fourth Proportional to 20,955.83, 31,434.30 and 6,165.23

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Solution

The fourth proportional to 20,955.83, 31,434.30 and 6,165.23 is: 9,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,955.83 : 31,434.30 = 6,165.23 : x
  2. Step 2: Convert to fraction form
    20,955.83/31,434.30 = 6,165.23/x
  3. Step 3: Cross multiply
    20,955.83x = 31,434.30 × 6,165.23
  4. Step 4: Simplify right side
    20,955.83x = 193,799,532.22
  5. Step 5: Solve for x
    x = 193,799,532.22/20,955.83
  6. Step 6: Final answer
    x = 9,248.00

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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.