Home / 12,343.48-17,035.32-7,038.76

Finding the Fourth Proportional to 12,343.48, 17,035.32 and 7,038.76

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Solution

The fourth proportional to 12,343.48, 17,035.32 and 7,038.76 is: 9,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.48 : 17,035.32 = 7,038.76 : x
  2. Step 2: Convert to fraction form
    12,343.48/17,035.32 = 7,038.76/x
  3. Step 3: Cross multiply
    12,343.48x = 17,035.32 × 7,038.76
  4. Step 4: Simplify right side
    12,343.48x = 119,907,529.00
  5. Step 5: Solve for x
    x = 119,907,529.00/12,343.48
  6. Step 6: Final answer
    x = 9,714.24

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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.