Home / 13,862.92-19,126.50-8,555.56

Finding the Fourth Proportional to 13,862.92, 19,126.50 and 8,555.56

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Solution

The fourth proportional to 13,862.92, 19,126.50 and 8,555.56 is: 11,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.92 : 19,126.50 = 8,555.56 : x
  2. Step 2: Convert to fraction form
    13,862.92/19,126.50 = 8,555.56/x
  3. Step 3: Cross multiply
    13,862.92x = 19,126.50 × 8,555.56
  4. Step 4: Simplify right side
    13,862.92x = 163,637,918.34
  5. Step 5: Solve for x
    x = 163,637,918.34/13,862.92
  6. Step 6: Final answer
    x = 11,804.00

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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.