Home / 15,551.53-21,454.27-10,513.89

Finding the Fourth Proportional to 15,551.53, 21,454.27 and 10,513.89

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Solution

The fourth proportional to 15,551.53, 21,454.27 and 10,513.89 is: 14,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.53 : 21,454.27 = 10,513.89 : x
  2. Step 2: Convert to fraction form
    15,551.53/21,454.27 = 10,513.89/x
  3. Step 3: Cross multiply
    15,551.53x = 21,454.27 × 10,513.89
  4. Step 4: Simplify right side
    15,551.53x = 225,567,808.53
  5. Step 5: Solve for x
    x = 225,567,808.53/15,551.53
  6. Step 6: Final answer
    x = 14,504.54

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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.