Home / 15,578.32-23,367.47-12,341.56

Finding the Fourth Proportional to 15,578.32, 23,367.47 and 12,341.56

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Solution

The fourth proportional to 15,578.32, 23,367.47 and 12,341.56 is: 18,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.32 : 23,367.47 = 12,341.56 : x
  2. Step 2: Convert to fraction form
    15,578.32/23,367.47 = 12,341.56/x
  3. Step 3: Cross multiply
    15,578.32x = 23,367.47 × 12,341.56
  4. Step 4: Simplify right side
    15,578.32x = 288,390,962.29
  5. Step 5: Solve for x
    x = 288,390,962.29/15,578.32
  6. Step 6: Final answer
    x = 18,512.33

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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.