Home / 10,410.05-15,601.49-9,090.68

Finding the Fourth Proportional to 10,410.05, 15,601.49 and 9,090.68

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Solution

The fourth proportional to 10,410.05, 15,601.49 and 9,090.68 is: 13,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.05 : 15,601.49 = 9,090.68 : x
  2. Step 2: Convert to fraction form
    10,410.05/15,601.49 = 9,090.68/x
  3. Step 3: Cross multiply
    10,410.05x = 15,601.49 × 9,090.68
  4. Step 4: Simplify right side
    10,410.05x = 141,828,063.74
  5. Step 5: Solve for x
    x = 141,828,063.74/10,410.05
  6. Step 6: Final answer
    x = 13,624.14

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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.