Home / 15,653.02-21,629.81-11,396.69

Finding the Fourth Proportional to 15,653.02, 21,629.81 and 11,396.69

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Solution

The fourth proportional to 15,653.02, 21,629.81 and 11,396.69 is: 15,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.02 : 21,629.81 = 11,396.69 : x
  2. Step 2: Convert to fraction form
    15,653.02/21,629.81 = 11,396.69/x
  3. Step 3: Cross multiply
    15,653.02x = 21,629.81 × 11,396.69
  4. Step 4: Simplify right side
    15,653.02x = 246,508,155.31
  5. Step 5: Solve for x
    x = 246,508,155.31/15,653.02
  6. Step 6: Final answer
    x = 15,748.28

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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.