Home / 13,308.03-18,364.95-7,339.59

Finding the Fourth Proportional to 13,308.03, 18,364.95 and 7,339.59

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Solution

The fourth proportional to 13,308.03, 18,364.95 and 7,339.59 is: 10,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.03 : 18,364.95 = 7,339.59 : x
  2. Step 2: Convert to fraction form
    13,308.03/18,364.95 = 7,339.59/x
  3. Step 3: Cross multiply
    13,308.03x = 18,364.95 × 7,339.59
  4. Step 4: Simplify right side
    13,308.03x = 134,791,203.37
  5. Step 5: Solve for x
    x = 134,791,203.37/13,308.03
  6. Step 6: Final answer
    x = 10,128.56

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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.