Home / 13,537.42-18,646.93-9,551.54

Finding the Fourth Proportional to 13,537.42, 18,646.93 and 9,551.54

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Solution

The fourth proportional to 13,537.42, 18,646.93 and 9,551.54 is: 13,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.42 : 18,646.93 = 9,551.54 : x
  2. Step 2: Convert to fraction form
    13,537.42/18,646.93 = 9,551.54/x
  3. Step 3: Cross multiply
    13,537.42x = 18,646.93 × 9,551.54
  4. Step 4: Simplify right side
    13,537.42x = 178,106,897.77
  5. Step 5: Solve for x
    x = 178,106,897.77/13,537.42
  6. Step 6: Final answer
    x = 13,156.64

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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.