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Finding the Fourth Proportional to 18,969, 26,089.74 and 16,607.04

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Solution

The fourth proportional to 18,969, 26,089.74 and 16,607.04 is: 22,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969 : 26,089.74 = 16,607.04 : x
  2. Step 2: Convert to fraction form
    18,969/26,089.74 = 16,607.04/x
  3. Step 3: Cross multiply
    18,969x = 26,089.74 × 16,607.04
  4. Step 4: Simplify right side
    18,969x = 433,273,355.77
  5. Step 5: Solve for x
    x = 433,273,355.77/18,969
  6. Step 6: Final answer
    x = 22,841.13

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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.