Home / 15,466.10-21,343.64-8,392.53

Finding the Fourth Proportional to 15,466.10, 21,343.64 and 8,392.53

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Solution

The fourth proportional to 15,466.10, 21,343.64 and 8,392.53 is: 11,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.10 : 21,343.64 = 8,392.53 : x
  2. Step 2: Convert to fraction form
    15,466.10/21,343.64 = 8,392.53/x
  3. Step 3: Cross multiply
    15,466.10x = 21,343.64 × 8,392.53
  4. Step 4: Simplify right side
    15,466.10x = 179,127,097.05
  5. Step 5: Solve for x
    x = 179,127,097.05/15,466.10
  6. Step 6: Final answer
    x = 11,581.92

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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.