Home / 19,305.40-26,646.69-11,350.18

Finding the Fourth Proportional to 19,305.40, 26,646.69 and 11,350.18

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Solution

The fourth proportional to 19,305.40, 26,646.69 and 11,350.18 is: 15,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.40 : 26,646.69 = 11,350.18 : x
  2. Step 2: Convert to fraction form
    19,305.40/26,646.69 = 11,350.18/x
  3. Step 3: Cross multiply
    19,305.40x = 26,646.69 × 11,350.18
  4. Step 4: Simplify right side
    19,305.40x = 302,444,727.90
  5. Step 5: Solve for x
    x = 302,444,727.90/19,305.40
  6. Step 6: Final answer
    x = 15,666.33

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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.