Home / 12,875.80-19,317.30-6,302.20

Finding the Fourth Proportional to 12,875.80, 19,317.30 and 6,302.20

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Solution

The fourth proportional to 12,875.80, 19,317.30 and 6,302.20 is: 9,455.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.80 : 19,317.30 = 6,302.20 : x
  2. Step 2: Convert to fraction form
    12,875.80/19,317.30 = 6,302.20/x
  3. Step 3: Cross multiply
    12,875.80x = 19,317.30 × 6,302.20
  4. Step 4: Simplify right side
    12,875.80x = 121,741,488.06
  5. Step 5: Solve for x
    x = 121,741,488.06/12,875.80
  6. Step 6: Final answer
    x = 9,455.06

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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.