Home / 10,339.64-15,497.04-4,785.44

Finding the Fourth Proportional to 10,339.64, 15,497.04 and 4,785.44

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Solution

The fourth proportional to 10,339.64, 15,497.04 and 4,785.44 is: 7,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.64 : 15,497.04 = 4,785.44 : x
  2. Step 2: Convert to fraction form
    10,339.64/15,497.04 = 4,785.44/x
  3. Step 3: Cross multiply
    10,339.64x = 15,497.04 × 4,785.44
  4. Step 4: Simplify right side
    10,339.64x = 74,160,155.10
  5. Step 5: Solve for x
    x = 74,160,155.10/10,339.64
  6. Step 6: Final answer
    x = 7,172.41

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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.