Home / 13,551.01-18,701.31-7,582.35

Finding the Fourth Proportional to 13,551.01, 18,701.31 and 7,582.35

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Solution

The fourth proportional to 13,551.01, 18,701.31 and 7,582.35 is: 10,464.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.01 : 18,701.31 = 7,582.35 : x
  2. Step 2: Convert to fraction form
    13,551.01/18,701.31 = 7,582.35/x
  3. Step 3: Cross multiply
    13,551.01x = 18,701.31 × 7,582.35
  4. Step 4: Simplify right side
    13,551.01x = 141,799,877.88
  5. Step 5: Solve for x
    x = 141,799,877.88/13,551.01
  6. Step 6: Final answer
    x = 10,464.16

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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.