Home / 13,394.48-18,483.88-7,426.24

Finding the Fourth Proportional to 13,394.48, 18,483.88 and 7,426.24

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Solution

The fourth proportional to 13,394.48, 18,483.88 and 7,426.24 is: 10,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.48 : 18,483.88 = 7,426.24 : x
  2. Step 2: Convert to fraction form
    13,394.48/18,483.88 = 7,426.24/x
  3. Step 3: Cross multiply
    13,394.48x = 18,483.88 × 7,426.24
  4. Step 4: Simplify right side
    13,394.48x = 137,265,729.01
  5. Step 5: Solve for x
    x = 137,265,729.01/13,394.48
  6. Step 6: Final answer
    x = 10,247.93

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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.