Home / 13,818.12-19,069.02-7,530.50

Finding the Fourth Proportional to 13,818.12, 19,069.02 and 7,530.50

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Solution

The fourth proportional to 13,818.12, 19,069.02 and 7,530.50 is: 10,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.12 : 19,069.02 = 7,530.50 : x
  2. Step 2: Convert to fraction form
    13,818.12/19,069.02 = 7,530.50/x
  3. Step 3: Cross multiply
    13,818.12x = 19,069.02 × 7,530.50
  4. Step 4: Simplify right side
    13,818.12x = 143,599,255.11
  5. Step 5: Solve for x
    x = 143,599,255.11/13,818.12
  6. Step 6: Final answer
    x = 10,392.10

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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.