Home / 10,064.07-15,090.57-5,389.56

Finding the Fourth Proportional to 10,064.07, 15,090.57 and 5,389.56

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Solution

The fourth proportional to 10,064.07, 15,090.57 and 5,389.56 is: 8,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064.07 : 15,090.57 = 5,389.56 : x
  2. Step 2: Convert to fraction form
    10,064.07/15,090.57 = 5,389.56/x
  3. Step 3: Cross multiply
    10,064.07x = 15,090.57 × 5,389.56
  4. Step 4: Simplify right side
    10,064.07x = 81,331,532.45
  5. Step 5: Solve for x
    x = 81,331,532.45/10,064.07
  6. Step 6: Final answer
    x = 8,081.38

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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.