Home / 10,130.58-15,200.91-5,685.48

Finding the Fourth Proportional to 10,130.58, 15,200.91 and 5,685.48

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Solution

The fourth proportional to 10,130.58, 15,200.91 and 5,685.48 is: 8,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.58 : 15,200.91 = 5,685.48 : x
  2. Step 2: Convert to fraction form
    10,130.58/15,200.91 = 5,685.48/x
  3. Step 3: Cross multiply
    10,130.58x = 15,200.91 × 5,685.48
  4. Step 4: Simplify right side
    10,130.58x = 86,424,469.79
  5. Step 5: Solve for x
    x = 86,424,469.79/10,130.58
  6. Step 6: Final answer
    x = 8,531.05

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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.