Home / 13,240.59-19,830.65-6,319.95

Finding the Fourth Proportional to 13,240.59, 19,830.65 and 6,319.95

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Solution

The fourth proportional to 13,240.59, 19,830.65 and 6,319.95 is: 9,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.59 : 19,830.65 = 6,319.95 : x
  2. Step 2: Convert to fraction form
    13,240.59/19,830.65 = 6,319.95/x
  3. Step 3: Cross multiply
    13,240.59x = 19,830.65 × 6,319.95
  4. Step 4: Simplify right side
    13,240.59x = 125,328,684.87
  5. Step 5: Solve for x
    x = 125,328,684.87/13,240.59
  6. Step 6: Final answer
    x = 9,465.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.