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Finding the Fourth Proportional to 19,245, 26,558.18 and 10,413

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Solution

The fourth proportional to 19,245, 26,558.18 and 10,413 is: 14,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245 : 26,558.18 = 10,413 : x
  2. Step 2: Convert to fraction form
    19,245/26,558.18 = 10,413/x
  3. Step 3: Cross multiply
    19,245x = 26,558.18 × 10,413
  4. Step 4: Simplify right side
    19,245x = 276,550,328.34
  5. Step 5: Solve for x
    x = 276,550,328.34/19,245
  6. Step 6: Final answer
    x = 14,369.98

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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.