Home / 10,130.55-15,193.80-4,865.55

Finding the Fourth Proportional to 10,130.55, 15,193.80 and 4,865.55

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Solution

The fourth proportional to 10,130.55, 15,193.80 and 4,865.55 is: 7,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.55 : 15,193.80 = 4,865.55 : x
  2. Step 2: Convert to fraction form
    10,130.55/15,193.80 = 4,865.55/x
  3. Step 3: Cross multiply
    10,130.55x = 15,193.80 × 4,865.55
  4. Step 4: Simplify right side
    10,130.55x = 73,926,193.59
  5. Step 5: Solve for x
    x = 73,926,193.59/10,130.55
  6. Step 6: Final answer
    x = 7,297.35

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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.