Home / 10,944.48-16,388.37-7,970.70

Finding the Fourth Proportional to 10,944.48, 16,388.37 and 7,970.70

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Solution

The fourth proportional to 10,944.48, 16,388.37 and 7,970.70 is: 11,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.48 : 16,388.37 = 7,970.70 : x
  2. Step 2: Convert to fraction form
    10,944.48/16,388.37 = 7,970.70/x
  3. Step 3: Cross multiply
    10,944.48x = 16,388.37 × 7,970.70
  4. Step 4: Simplify right side
    10,944.48x = 130,626,780.76
  5. Step 5: Solve for x
    x = 130,626,780.76/10,944.48
  6. Step 6: Final answer
    x = 11,935.40

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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.