Home / 12,750.30-19,131.12-6,507.02

Finding the Fourth Proportional to 12,750.30, 19,131.12 and 6,507.02

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Solution

The fourth proportional to 12,750.30, 19,131.12 and 6,507.02 is: 9,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.30 : 19,131.12 = 6,507.02 : x
  2. Step 2: Convert to fraction form
    12,750.30/19,131.12 = 6,507.02/x
  3. Step 3: Cross multiply
    12,750.30x = 19,131.12 × 6,507.02
  4. Step 4: Simplify right side
    12,750.30x = 124,486,484.81
  5. Step 5: Solve for x
    x = 124,486,484.81/12,750.30
  6. Step 6: Final answer
    x = 9,763.42

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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.