Home / 12,502.40-18,754.59-4,182.46

Finding the Fourth Proportional to 12,502.40, 18,754.59 and 4,182.46

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Solution

The fourth proportional to 12,502.40, 18,754.59 and 4,182.46 is: 6,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.40 : 18,754.59 = 4,182.46 : x
  2. Step 2: Convert to fraction form
    12,502.40/18,754.59 = 4,182.46/x
  3. Step 3: Cross multiply
    12,502.40x = 18,754.59 × 4,182.46
  4. Step 4: Simplify right side
    12,502.40x = 78,440,322.49
  5. Step 5: Solve for x
    x = 78,440,322.49/12,502.40
  6. Step 6: Final answer
    x = 6,274.02

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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.