Home / 13,888.69-19,165.65-7,599.85

Finding the Fourth Proportional to 13,888.69, 19,165.65 and 7,599.85

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Solution

The fourth proportional to 13,888.69, 19,165.65 and 7,599.85 is: 10,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.69 : 19,165.65 = 7,599.85 : x
  2. Step 2: Convert to fraction form
    13,888.69/19,165.65 = 7,599.85/x
  3. Step 3: Cross multiply
    13,888.69x = 19,165.65 × 7,599.85
  4. Step 4: Simplify right side
    13,888.69x = 145,656,065.15
  5. Step 5: Solve for x
    x = 145,656,065.15/13,888.69
  6. Step 6: Final answer
    x = 10,487.39

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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.