Home / 19,365.72-26,723.60-10,867.05

Finding the Fourth Proportional to 19,365.72, 26,723.60 and 10,867.05

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Solution

The fourth proportional to 19,365.72, 26,723.60 and 10,867.05 is: 14,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.72 : 26,723.60 = 10,867.05 : x
  2. Step 2: Convert to fraction form
    19,365.72/26,723.60 = 10,867.05/x
  3. Step 3: Cross multiply
    19,365.72x = 26,723.60 × 10,867.05
  4. Step 4: Simplify right side
    19,365.72x = 290,406,683.80
  5. Step 5: Solve for x
    x = 290,406,683.80/19,365.72
  6. Step 6: Final answer
    x = 14,995.91

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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.