Home / 13,504.95-18,637.77-7,537.79

Finding the Fourth Proportional to 13,504.95, 18,637.77 and 7,537.79

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Solution

The fourth proportional to 13,504.95, 18,637.77 and 7,537.79 is: 10,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.95 : 18,637.77 = 7,537.79 : x
  2. Step 2: Convert to fraction form
    13,504.95/18,637.77 = 7,537.79/x
  3. Step 3: Cross multiply
    13,504.95x = 18,637.77 × 7,537.79
  4. Step 4: Simplify right side
    13,504.95x = 140,487,503.14
  5. Step 5: Solve for x
    x = 140,487,503.14/13,504.95
  6. Step 6: Final answer
    x = 10,402.67

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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.