Home / 12,302.24-18,451.80-4,510.40

Finding the Fourth Proportional to 12,302.24, 18,451.80 and 4,510.40

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Solution

The fourth proportional to 12,302.24, 18,451.80 and 4,510.40 is: 6,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.24 : 18,451.80 = 4,510.40 : x
  2. Step 2: Convert to fraction form
    12,302.24/18,451.80 = 4,510.40/x
  3. Step 3: Cross multiply
    12,302.24x = 18,451.80 × 4,510.40
  4. Step 4: Simplify right side
    12,302.24x = 83,224,998.72
  5. Step 5: Solve for x
    x = 83,224,998.72/12,302.24
  6. Step 6: Final answer
    x = 6,765.03

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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.