Home / 19,926.72-27,501.36-12,873.60

Finding the Fourth Proportional to 19,926.72, 27,501.36 and 12,873.60

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Solution

The fourth proportional to 19,926.72, 27,501.36 and 12,873.60 is: 17,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.72 : 27,501.36 = 12,873.60 : x
  2. Step 2: Convert to fraction form
    19,926.72/27,501.36 = 12,873.60/x
  3. Step 3: Cross multiply
    19,926.72x = 27,501.36 × 12,873.60
  4. Step 4: Simplify right side
    19,926.72x = 354,041,508.10
  5. Step 5: Solve for x
    x = 354,041,508.10/19,926.72
  6. Step 6: Final answer
    x = 17,767.17

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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.