Home / 13,810.24-19,057.40-7,841.76

Finding the Fourth Proportional to 13,810.24, 19,057.40 and 7,841.76

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Solution

The fourth proportional to 13,810.24, 19,057.40 and 7,841.76 is: 10,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.24 : 19,057.40 = 7,841.76 : x
  2. Step 2: Convert to fraction form
    13,810.24/19,057.40 = 7,841.76/x
  3. Step 3: Cross multiply
    13,810.24x = 19,057.40 × 7,841.76
  4. Step 4: Simplify right side
    13,810.24x = 149,443,557.02
  5. Step 5: Solve for x
    x = 149,443,557.02/13,810.24
  6. Step 6: Final answer
    x = 10,821.21

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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.