Home / 15,775.16-23,671.04-6,422.09

Finding the Fourth Proportional to 15,775.16, 23,671.04 and 6,422.09

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Solution

The fourth proportional to 15,775.16, 23,671.04 and 6,422.09 is: 9,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775.16 : 23,671.04 = 6,422.09 : x
  2. Step 2: Convert to fraction form
    15,775.16/23,671.04 = 6,422.09/x
  3. Step 3: Cross multiply
    15,775.16x = 23,671.04 × 6,422.09
  4. Step 4: Simplify right side
    15,775.16x = 152,017,398.81
  5. Step 5: Solve for x
    x = 152,017,398.81/15,775.16
  6. Step 6: Final answer
    x = 9,636.51

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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.