Home / 13,407.44-18,501.95-7,439.02

Finding the Fourth Proportional to 13,407.44, 18,501.95 and 7,439.02

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Solution

The fourth proportional to 13,407.44, 18,501.95 and 7,439.02 is: 10,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.44 : 18,501.95 = 7,439.02 : x
  2. Step 2: Convert to fraction form
    13,407.44/18,501.95 = 7,439.02/x
  3. Step 3: Cross multiply
    13,407.44x = 18,501.95 × 7,439.02
  4. Step 4: Simplify right side
    13,407.44x = 137,636,348.43
  5. Step 5: Solve for x
    x = 137,636,348.43/13,407.44
  6. Step 6: Final answer
    x = 10,265.67

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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.