Home / 13,292.99-18,344.10-7,325.21

Finding the Fourth Proportional to 13,292.99, 18,344.10 and 7,325.21

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Solution

The fourth proportional to 13,292.99, 18,344.10 and 7,325.21 is: 10,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.99 : 18,344.10 = 7,325.21 : x
  2. Step 2: Convert to fraction form
    13,292.99/18,344.10 = 7,325.21/x
  3. Step 3: Cross multiply
    13,292.99x = 18,344.10 × 7,325.21
  4. Step 4: Simplify right side
    13,292.99x = 134,374,384.76
  5. Step 5: Solve for x
    x = 134,374,384.76/13,292.99
  6. Step 6: Final answer
    x = 10,108.67

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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.