Home / 12,344.48-17,036.70-7,039.76

Finding the Fourth Proportional to 12,344.48, 17,036.70 and 7,039.76

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Solution

The fourth proportional to 12,344.48, 17,036.70 and 7,039.76 is: 9,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.48 : 17,036.70 = 7,039.76 : x
  2. Step 2: Convert to fraction form
    12,344.48/17,036.70 = 7,039.76/x
  3. Step 3: Cross multiply
    12,344.48x = 17,036.70 × 7,039.76
  4. Step 4: Simplify right side
    12,344.48x = 119,934,279.19
  5. Step 5: Solve for x
    x = 119,934,279.19/12,344.48
  6. Step 6: Final answer
    x = 9,715.62

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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.