Home / 19,478.68-26,881.98-11,095.72

Finding the Fourth Proportional to 19,478.68, 26,881.98 and 11,095.72

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Solution

The fourth proportional to 19,478.68, 26,881.98 and 11,095.72 is: 15,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.68 : 26,881.98 = 11,095.72 : x
  2. Step 2: Convert to fraction form
    19,478.68/26,881.98 = 11,095.72/x
  3. Step 3: Cross multiply
    19,478.68x = 26,881.98 × 11,095.72
  4. Step 4: Simplify right side
    19,478.68x = 298,274,923.13
  5. Step 5: Solve for x
    x = 298,274,923.13/19,478.68
  6. Step 6: Final answer
    x = 15,312.89

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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.