Home / 19,104.00-26,309.02-13,790.40

Finding the Fourth Proportional to 19,104.00, 26,309.02 and 13,790.40

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Solution

The fourth proportional to 19,104.00, 26,309.02 and 13,790.40 is: 18,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.00 : 26,309.02 = 13,790.40 : x
  2. Step 2: Convert to fraction form
    19,104.00/26,309.02 = 13,790.40/x
  3. Step 3: Cross multiply
    19,104.00x = 26,309.02 × 13,790.40
  4. Step 4: Simplify right side
    19,104.00x = 362,811,802.13
  5. Step 5: Solve for x
    x = 362,811,802.13/19,104.00
  6. Step 6: Final answer
    x = 18,991.41

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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.