Home / 10,467.06-15,632.47-9,378.42

Finding the Fourth Proportional to 10,467.06, 15,632.47 and 9,378.42

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Solution

The fourth proportional to 10,467.06, 15,632.47 and 9,378.42 is: 14,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.06 : 15,632.47 = 9,378.42 : x
  2. Step 2: Convert to fraction form
    10,467.06/15,632.47 = 9,378.42/x
  3. Step 3: Cross multiply
    10,467.06x = 15,632.47 × 9,378.42
  4. Step 4: Simplify right side
    10,467.06x = 146,607,822.41
  5. Step 5: Solve for x
    x = 146,607,822.41/10,467.06
  6. Step 6: Final answer
    x = 14,006.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.