Home / 19,501.48-26,913.29-11,000.55

Finding the Fourth Proportional to 19,501.48, 26,913.29 and 11,000.55

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Solution

The fourth proportional to 19,501.48, 26,913.29 and 11,000.55 is: 15,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.48 : 26,913.29 = 11,000.55 : x
  2. Step 2: Convert to fraction form
    19,501.48/26,913.29 = 11,000.55/x
  3. Step 3: Cross multiply
    19,501.48x = 26,913.29 × 11,000.55
  4. Step 4: Simplify right side
    19,501.48x = 296,060,992.31
  5. Step 5: Solve for x
    x = 296,060,992.31/19,501.48
  6. Step 6: Final answer
    x = 15,181.46

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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.