Home / 10,065.60-15,098.37-3,140.64

Finding the Fourth Proportional to 10,065.60, 15,098.37 and 3,140.64

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Solution

The fourth proportional to 10,065.60, 15,098.37 and 3,140.64 is: 4,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.60 : 15,098.37 = 3,140.64 : x
  2. Step 2: Convert to fraction form
    10,065.60/15,098.37 = 3,140.64/x
  3. Step 3: Cross multiply
    10,065.60x = 15,098.37 × 3,140.64
  4. Step 4: Simplify right side
    10,065.60x = 47,418,544.76
  5. Step 5: Solve for x
    x = 47,418,544.76/10,065.60
  6. Step 6: Final answer
    x = 4,710.95

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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.