Home / 15,921.74-23,878.51-6,564.42

Finding the Fourth Proportional to 15,921.74, 23,878.51 and 6,564.42

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Solution

The fourth proportional to 15,921.74, 23,878.51 and 6,564.42 is: 9,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.74 : 23,878.51 = 6,564.42 : x
  2. Step 2: Convert to fraction form
    15,921.74/23,878.51 = 6,564.42/x
  3. Step 3: Cross multiply
    15,921.74x = 23,878.51 × 6,564.42
  4. Step 4: Simplify right side
    15,921.74x = 156,748,552.20
  5. Step 5: Solve for x
    x = 156,748,552.20/15,921.74
  6. Step 6: Final answer
    x = 9,844.94

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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.