Home / 42,926.90-64,383.45-11,754.86

Finding the Fourth Proportional to 42,926.90, 64,383.45 and 11,754.86

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Solution

The fourth proportional to 42,926.90, 64,383.45 and 11,754.86 is: 17,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,926.90 : 64,383.45 = 11,754.86 : x
  2. Step 2: Convert to fraction form
    42,926.90/64,383.45 = 11,754.86/x
  3. Step 3: Cross multiply
    42,926.90x = 64,383.45 × 11,754.86
  4. Step 4: Simplify right side
    42,926.90x = 756,818,441.07
  5. Step 5: Solve for x
    x = 756,818,441.07/42,926.90
  6. Step 6: Final answer
    x = 17,630.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.