Home / 19,165.42-26,425.65-13,118.58

Finding the Fourth Proportional to 19,165.42, 26,425.65 and 13,118.58

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Solution

The fourth proportional to 19,165.42, 26,425.65 and 13,118.58 is: 18,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.42 : 26,425.65 = 13,118.58 : x
  2. Step 2: Convert to fraction form
    19,165.42/26,425.65 = 13,118.58/x
  3. Step 3: Cross multiply
    19,165.42x = 26,425.65 × 13,118.58
  4. Step 4: Simplify right side
    19,165.42x = 346,667,052.77
  5. Step 5: Solve for x
    x = 346,667,052.77/19,165.42
  6. Step 6: Final answer
    x = 18,088.15

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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.