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Finding the Fourth Proportional to 19,194, 26,487.72 and 10,810.68

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Solution

The fourth proportional to 19,194, 26,487.72 and 10,810.68 is: 14,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194 : 26,487.72 = 10,810.68 : x
  2. Step 2: Convert to fraction form
    19,194/26,487.72 = 10,810.68/x
  3. Step 3: Cross multiply
    19,194x = 26,487.72 × 10,810.68
  4. Step 4: Simplify right side
    19,194x = 286,350,264.85
  5. Step 5: Solve for x
    x = 286,350,264.85/19,194
  6. Step 6: Final answer
    x = 14,918.74

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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.