Home / 13,870.26-19,140.98-7,582.64

Finding the Fourth Proportional to 13,870.26, 19,140.98 and 7,582.64

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Solution

The fourth proportional to 13,870.26, 19,140.98 and 7,582.64 is: 10,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.26 : 19,140.98 = 7,582.64 : x
  2. Step 2: Convert to fraction form
    13,870.26/19,140.98 = 7,582.64/x
  3. Step 3: Cross multiply
    13,870.26x = 19,140.98 × 7,582.64
  4. Step 4: Simplify right side
    13,870.26x = 145,139,026.97
  5. Step 5: Solve for x
    x = 145,139,026.97/13,870.26
  6. Step 6: Final answer
    x = 10,464.05

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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.