Home / 15,484.53-21,368.21-8,410.94

Finding the Fourth Proportional to 15,484.53, 21,368.21 and 8,410.94

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Solution

The fourth proportional to 15,484.53, 21,368.21 and 8,410.94 is: 11,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.53 : 21,368.21 = 8,410.94 : x
  2. Step 2: Convert to fraction form
    15,484.53/21,368.21 = 8,410.94/x
  3. Step 3: Cross multiply
    15,484.53x = 21,368.21 × 8,410.94
  4. Step 4: Simplify right side
    15,484.53x = 179,726,663.45
  5. Step 5: Solve for x
    x = 179,726,663.45/15,484.53
  6. Step 6: Final answer
    x = 11,606.85

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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.