Home / 15,491.39-23,235.65-5,103.14

Finding the Fourth Proportional to 15,491.39, 23,235.65 and 5,103.14

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Solution

The fourth proportional to 15,491.39, 23,235.65 and 5,103.14 is: 7,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.39 : 23,235.65 = 5,103.14 : x
  2. Step 2: Convert to fraction form
    15,491.39/23,235.65 = 5,103.14/x
  3. Step 3: Cross multiply
    15,491.39x = 23,235.65 × 5,103.14
  4. Step 4: Simplify right side
    15,491.39x = 118,574,671.52
  5. Step 5: Solve for x
    x = 118,574,671.52/15,491.39
  6. Step 6: Final answer
    x = 7,654.23

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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.