Home / 12,343.77-18,520.29-7,349.03

Finding the Fourth Proportional to 12,343.77, 18,520.29 and 7,349.03

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Solution

The fourth proportional to 12,343.77, 18,520.29 and 7,349.03 is: 11,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.77 : 18,520.29 = 7,349.03 : x
  2. Step 2: Convert to fraction form
    12,343.77/18,520.29 = 7,349.03/x
  3. Step 3: Cross multiply
    12,343.77x = 18,520.29 × 7,349.03
  4. Step 4: Simplify right side
    12,343.77x = 136,106,166.82
  5. Step 5: Solve for x
    x = 136,106,166.82/12,343.77
  6. Step 6: Final answer
    x = 11,026.30

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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.