Home / 13,353.44-18,426.98-7,384.74

Finding the Fourth Proportional to 13,353.44, 18,426.98 and 7,384.74

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Solution

The fourth proportional to 13,353.44, 18,426.98 and 7,384.74 is: 10,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.44 : 18,426.98 = 7,384.74 : x
  2. Step 2: Convert to fraction form
    13,353.44/18,426.98 = 7,384.74/x
  3. Step 3: Cross multiply
    13,353.44x = 18,426.98 × 7,384.74
  4. Step 4: Simplify right side
    13,353.44x = 136,078,456.29
  5. Step 5: Solve for x
    x = 136,078,456.29/13,353.44
  6. Step 6: Final answer
    x = 10,190.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.