Home / 15,639.40-23,453.16-5,106.92

Finding the Fourth Proportional to 15,639.40, 23,453.16 and 5,106.92

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Solution

The fourth proportional to 15,639.40, 23,453.16 and 5,106.92 is: 7,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.40 : 23,453.16 = 5,106.92 : x
  2. Step 2: Convert to fraction form
    15,639.40/23,453.16 = 5,106.92/x
  3. Step 3: Cross multiply
    15,639.40x = 23,453.16 × 5,106.92
  4. Step 4: Simplify right side
    15,639.40x = 119,773,411.87
  5. Step 5: Solve for x
    x = 119,773,411.87/15,639.40
  6. Step 6: Final answer
    x = 7,658.44

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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.