Home / 15,466.79-21,344.18-8,393.21

Finding the Fourth Proportional to 15,466.79, 21,344.18 and 8,393.21

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Solution

The fourth proportional to 15,466.79, 21,344.18 and 8,393.21 is: 11,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.79 : 21,344.18 = 8,393.21 : x
  2. Step 2: Convert to fraction form
    15,466.79/21,344.18 = 8,393.21/x
  3. Step 3: Cross multiply
    15,466.79x = 21,344.18 × 8,393.21
  4. Step 4: Simplify right side
    15,466.79x = 179,146,247.22
  5. Step 5: Solve for x
    x = 179,146,247.22/15,466.79
  6. Step 6: Final answer
    x = 11,582.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.