Home / 19,337.07-26,690.00-11,880.75

Finding the Fourth Proportional to 19,337.07, 26,690.00 and 11,880.75

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Solution

The fourth proportional to 19,337.07, 26,690.00 and 11,880.75 is: 16,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.07 : 26,690.00 = 11,880.75 : x
  2. Step 2: Convert to fraction form
    19,337.07/26,690.00 = 11,880.75/x
  3. Step 3: Cross multiply
    19,337.07x = 26,690.00 × 11,880.75
  4. Step 4: Simplify right side
    19,337.07x = 317,097,158.10
  5. Step 5: Solve for x
    x = 317,097,158.10/19,337.07
  6. Step 6: Final answer
    x = 16,398.41

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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.