Home / 19,004.40-26,225.10-10,620.90

Finding the Fourth Proportional to 19,004.40, 26,225.10 and 10,620.90

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Solution

The fourth proportional to 19,004.40, 26,225.10 and 10,620.90 is: 14,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.40 : 26,225.10 = 10,620.90 : x
  2. Step 2: Convert to fraction form
    19,004.40/26,225.10 = 10,620.90/x
  3. Step 3: Cross multiply
    19,004.40x = 26,225.10 × 10,620.90
  4. Step 4: Simplify right side
    19,004.40x = 278,534,164.59
  5. Step 5: Solve for x
    x = 278,534,164.59/19,004.40
  6. Step 6: Final answer
    x = 14,656.30

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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.