Home / 19,358.67-26,723.12-13,079.55

Finding the Fourth Proportional to 19,358.67, 26,723.12 and 13,079.55

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Solution

The fourth proportional to 19,358.67, 26,723.12 and 13,079.55 is: 18,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.67 : 26,723.12 = 13,079.55 : x
  2. Step 2: Convert to fraction form
    19,358.67/26,723.12 = 13,079.55/x
  3. Step 3: Cross multiply
    19,358.67x = 26,723.12 × 13,079.55
  4. Step 4: Simplify right side
    19,358.67x = 349,526,384.20
  5. Step 5: Solve for x
    x = 349,526,384.20/19,358.67
  6. Step 6: Final answer
    x = 18,055.29

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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.