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Finding the Fourth Proportional to 19,099, 26,357.43 and 10,715.50

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Solution

The fourth proportional to 19,099, 26,357.43 and 10,715.50 is: 14,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099 : 26,357.43 = 10,715.50 : x
  2. Step 2: Convert to fraction form
    19,099/26,357.43 = 10,715.50/x
  3. Step 3: Cross multiply
    19,099x = 26,357.43 × 10,715.50
  4. Step 4: Simplify right side
    19,099x = 282,433,041.17
  5. Step 5: Solve for x
    x = 282,433,041.17/19,099
  6. Step 6: Final answer
    x = 14,787.84

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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.