Home / 15,498.06-21,390.72-10,193.40

Finding the Fourth Proportional to 15,498.06, 21,390.72 and 10,193.40

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Solution

The fourth proportional to 15,498.06, 21,390.72 and 10,193.40 is: 14,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,498.06 : 21,390.72 = 10,193.40 : x
  2. Step 2: Convert to fraction form
    15,498.06/21,390.72 = 10,193.40/x
  3. Step 3: Cross multiply
    15,498.06x = 21,390.72 × 10,193.40
  4. Step 4: Simplify right side
    15,498.06x = 218,044,165.25
  5. Step 5: Solve for x
    x = 218,044,165.25/15,498.06
  6. Step 6: Final answer
    x = 14,069.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.