Home / 17,555.40-26,330.50-6,459.49

Finding the Fourth Proportional to 17,555.40, 26,330.50 and 6,459.49

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Solution

The fourth proportional to 17,555.40, 26,330.50 and 6,459.49 is: 9,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,555.40 : 26,330.50 = 6,459.49 : x
  2. Step 2: Convert to fraction form
    17,555.40/26,330.50 = 6,459.49/x
  3. Step 3: Cross multiply
    17,555.40x = 26,330.50 × 6,459.49
  4. Step 4: Simplify right side
    17,555.40x = 170,081,569.15
  5. Step 5: Solve for x
    x = 170,081,569.15/17,555.40
  6. Step 6: Final answer
    x = 9,688.28

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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.