Home / 13,048.23-18,006.59-7,079.95

Finding the Fourth Proportional to 13,048.23, 18,006.59 and 7,079.95

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Solution

The fourth proportional to 13,048.23, 18,006.59 and 7,079.95 is: 9,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.23 : 18,006.59 = 7,079.95 : x
  2. Step 2: Convert to fraction form
    13,048.23/18,006.59 = 7,079.95/x
  3. Step 3: Cross multiply
    13,048.23x = 18,006.59 × 7,079.95
  4. Step 4: Simplify right side
    13,048.23x = 127,485,729.55
  5. Step 5: Solve for x
    x = 127,485,729.55/13,048.23
  6. Step 6: Final answer
    x = 9,770.35

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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.