Home / 10,099.02-15,145.26-3,686.70

Finding the Fourth Proportional to 10,099.02, 15,145.26 and 3,686.70

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Solution

The fourth proportional to 10,099.02, 15,145.26 and 3,686.70 is: 5,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.02 : 15,145.26 = 3,686.70 : x
  2. Step 2: Convert to fraction form
    10,099.02/15,145.26 = 3,686.70/x
  3. Step 3: Cross multiply
    10,099.02x = 15,145.26 × 3,686.70
  4. Step 4: Simplify right side
    10,099.02x = 55,836,030.04
  5. Step 5: Solve for x
    x = 55,836,030.04/10,099.02
  6. Step 6: Final answer
    x = 5,528.86

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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.